HVDC Senior/Principal System Design Consultant FlexGrid

📍 Job Overview

Job Title: HVDC Senior/Principal System Design Consultant - FlexGrid

Company: DNV

Location: Johannesburg, Gauteng, South Africa

Job Type: Full time

Category: Engineering / Consulting (Energy Systems)

Date Posted: 2026-05-14

Experience Level: Senior / Principal (5-10 years)

Remote Status: On-site

🚀 Role Summary

• Lead the conceptual design and feasibility studies for High Voltage Direct Current (HVDC) and AC transmission systems, ensuring alignment with customer technical requirements and economic viability.

• Conduct and meticulously review complex system studies, including dynamic modeling and stability analysis, to validate the performance and reliability of HVDC integrations.

• Develop and refine control and protection strategies for advanced HVDC configurations, particularly multi-terminal systems, to ensure robust fault management and stringent grid code compliance.

• Drive business development initiatives by building and nurturing relationships with key clients in the energy sector, identifying opportunities for DNV's FlexGrid HV services.

• Mentor and develop junior consultants, fostering their technical growth and contributing to the overall expertise within the DNV Energy Systems team.

📝 Enhancement Note: This role is positioned as a Senior/Principal Consultant, indicating a need for significant project leadership, client-facing experience, and a proven track record in HVDC system design. The "FlexGrid" aspect suggests a focus on innovative grid solutions beyond traditional point-to-point HVDC, likely involving multi-terminal configurations and integration with renewable energy sources.

📈 Primary Responsibilities

• Spearhead the creation of conceptual designs for HVDC and AC transmission systems, encompassing substations, and perform comprehensive feasibility studies that evaluate CAPEX, OPEX, system losses, availability, and constructability.

• Develop, review, and approve electrical system studies, detailed equipment design specifications, and general arrangement drawings for HVDC systems and associated substations.

• Lead advanced system simulations and modeling efforts, including dynamic modeling and transient stability analysis, to assess the behavior of HVDC systems under various operating conditions.

• Design, develop, and critically review control strategies for multi-terminal HVDC projects, focusing on advanced converter control, sophisticated fault detection and management, and ensuring strict adherence to international grid codes and local regulations.

• Author and deliver high-quality technical reports, comprehensive proposals, and compelling presentations to clients, clearly articulating design choices, study findings, and recommended solutions.

• Support tender processes by preparing technical specifications, evaluating vendor proposals, and actively participating in technical negotiations with clients and suppliers.

• Witness and oversee Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT) for critical HVDC equipment, ensuring compliance with design specifications and project requirements.

• Contribute to the continuous development of DNV's service portfolio within the FlexGrid HV venture, monitoring market trends and identifying new service offerings or enhancements.

• Represent DNV at prominent industry conferences, contribute to standardization bodies (e.g., IEEE, IEC, CIGRE), and publish thought leadership articles to enhance DNV's industry presence.

• Coach and mentor junior engineers and consultants, providing technical guidance, performance feedback, and career development support to nurture talent within the team.

📝 Enhancement Note: The responsibilities highlight a blend of technical expertise, project management, client interaction, and business development. The emphasis on "multi-terminal projects" and "fault management" suggests a need for advanced understanding of complex HVDC network configurations.

🎓 Skills & Qualifications

Education:

Experience:

• A minimum of 7 years of progressive experience in the field of High Voltage Direct Current (HVDC) transmission systems.

• Proven experience in leading and executing HVDC system design projects, from conceptualization through to commissioning.

• Demonstrated experience in conducting and reviewing system studies, including dynamic modeling and stability analysis.

Required Skills:

• Deep expertise in HVDC system design principles, including converter technology (LCC, VSC), converter stations, and transmission lines.

• Proficiency in performing and analyzing dynamic system studies using industry-standard software such as PSS®E, PSCAD, PSLF, or similar.

• Strong understanding of control systems and protection schemes for HVDC grids, particularly for multi-terminal configurations.

• Excellent technical report writing and presentation skills, with the ability to communicate complex technical information clearly and concisely to diverse audiences.

• Demonstrated ability in business development, client relationship management, and proposal preparation within the energy sector.

• Experience in technical negotiations and vendor evaluation.

Preferred Skills:

• Experience with AC/DC hybrid systems, FACTS devices, and grid integration of renewable energy sources (e.g., offshore wind).

• Familiarity with project management methodologies and tools.

• Experience in leading teams and mentoring junior consultants.

• Active participation in industry forums, standardization committees, or research initiatives.

• Knowledge of CAPEX/OPEX estimation and economic feasibility studies for transmission projects.

📝 Enhancement Note: The emphasis on specific simulation tools (PSS®E, PSCAD, PSLF) is critical for candidates to highlight. Experience with multi-terminal HVDC and grid integration of renewables is a strong differentiator.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase detailed case studies of HVDC system design projects, clearly outlining the problem statement, design approach, challenges encountered, and the implemented solutions.

• Present examples of complex system studies conducted, illustrating the methodologies used, the software employed, and the key findings and recommendations derived.

• Include documentation or examples of control and protection strategies developed for HVDC systems, emphasizing fault management and grid code compliance aspects.

• Provide evidence of client engagement, including proposals submitted, technical reports delivered, and presentations made, demonstrating communication and stakeholder management skills.

Process Documentation:

• Detail your systematic approach to conducting feasibility studies for HVDC projects, including the assessment of technical, economic, and constructability factors.

• Outline your methodology for developing and validating control and protection schemes for HVDC systems, with a focus on ensuring system stability and reliability.

• Describe your process for performing and interpreting dynamic system studies and stability analyses, including the selection of appropriate models and simulation parameters.

• Illustrate your approach to technical negotiations and commissioning test witnessing, ensuring project objectives and quality standards are met.

📝 Enhancement Note: Candidates should prepare a portfolio that visually and textually demonstrates their expertise in HVDC system design and analysis, with a strong focus on quantifiable results and process adherence.

💵 Compensation & Benefits

Salary Range:

The estimated salary range for this Senior/Principal System Design Consultant role in Johannesburg, South Africa, is R950,000 to R1,400,000 per annum, dependent on experience, qualifications, and specific role responsibilities. This estimate is based on industry benchmarks for senior engineering consultants in the energy sector in South Africa, considering the specialized nature of HVDC expertise.

Benefits:

• Comprehensive medical aid coverage, including options for dependents.

• Generous retirement fund contributions (pension/provident fund).

• Performance-based bonuses and incentives.

• Professional development opportunities, including training, certifications, and conference attendance.

• Paid time off, including annual leave and public holidays.

• Potential for international travel and project involvement.

• Access to DNV's global network of experts and resources.

Working Hours:

• Standard working hours are typically 40 hours per week, Monday to Friday.

• Flexibility may be required to accommodate project deadlines, client needs, and international collaboration across different time zones.

📝 Enhancement Note: The salary range is an estimate for the Johannesburg region for a senior/principal engineering consultant in a specialized field. Actual compensation will be determined by DNV based on the candidate's specific experience and the role's demands.

🎯 Team & Company Context

🏢 Company Culture

Industry: Energy Systems Consulting, Technical Assurance, and Advisory Services. DNV operates at the forefront of the global energy transition, providing critical expertise to navigate the shift towards a decarbonized and sustainable energy future.

Company Size: DNV is a global organization with over 12,000 employees across more than 100 countries, indicating a large, well-established firm with extensive resources and reach.

Founded: DNV was founded in 1864, bringing a legacy of over 150 years of expertise and trust in technical assurance and advisory services across various industries, including energy.

Team Structure:

• The role is within the global FlexGrid HV venture, a specialized unit focused on scaling up HVDC and FACTS technologies.

• This team collaborates closely with other DNV units specializing in system studies, electrical engineering, offshore wind, permitting, environmental impact analysis, and market risk assessment.

• Reporting structure is likely to involve a Senior Manager or Director within the Energy Systems division, with direct project leadership responsibilities.

Methodology:

• Data Analysis and Insights: Utilizes advanced simulation tools and data analytics to provide robust technical assessments and strategic insights for clients.

• Workflow Planning and Optimization: Focuses on designing efficient and reliable HVDC transmission solutions that optimize CAPEX, OPEX, and system performance.

• Automation and Efficiency: Explores and implements innovative technologies and methodologies to enhance the efficiency and effectiveness of HVDC system design and integration.

Company Website: https://www.dnv.com/

📝 Enhancement Note: DNV's reputation as a global leader in energy transition and technical assurance suggests a culture that values expertise, integrity, and innovation. The FlexGrid HV venture implies a forward-thinking approach to grid modernization.

📈 Career & Growth Analysis

Operations Career Level: Senior/Principal Consultant. This level signifies a subject matter expert with a strong track record in HVDC system design, capable of leading complex projects, mentoring junior staff, and contributing to business development. The role demands a high degree of autonomy and strategic thinking.

Reporting Structure: Typically reports to a Practice Lead or Director within the Energy Systems division, with direct accountability for project delivery and client satisfaction. May also involve matrix reporting for specific project assignments.

Operations Impact: The role has a direct and significant impact on the energy transition by enabling the development of robust, sustainable, and affordable electricity transmission networks. Contributions influence project success, client relationships, and DNV's market position in HVDC technology.

Growth Opportunities:

• Operations Skill Advancement: Deepen expertise in specific areas of HVDC technology, such as multi-terminal systems, grid integration of renewables, or advanced control strategies. Opportunity to become a recognized global authority.

• Technical Leadership: Transition into roles with broader project leadership responsibilities, managing larger teams and more complex, high-profile projects.

• Business Development & Client Management: Develop into a key client relationship manager or business development lead, shaping DNV's strategic direction in the HVDC market.

• Specialization: Develop expertise in emerging areas like grid-forming converters, grid stabilization technologies, or digital twin applications for HVDC systems.

• Mentorship and Training: Take on a formal role in developing DNV's training programs and mentoring the next generation of HVDC experts.

📝 Enhancement Note: The Senior/Principal title suggests a clear path for career progression, potentially into management, global expert roles, or specialized technical leadership positions within DNV.

🌐 Work Environment

Office Type: The role is based on-site in Johannesburg, Gauteng, South Africa. DNV offices typically offer a professional and collaborative workspace designed to support technical work, client meetings, and team collaboration.

Office Location(s): Johannesburg, Gauteng, South Africa. This location provides access to a significant hub for energy and infrastructure projects within South Africa and the broader African continent.

Workspace Context:

• Collaborative Environment: Expected to work within a team of highly skilled engineers and consultants, fostering knowledge sharing and collaborative problem-solving.

• Operations Tools & Technology: Access to advanced simulation software (PSS®E, PSCAD, PSLF), design tools, and DNV's extensive knowledge base and digital platforms.

• Team Interaction: Regular interaction with colleagues within the FlexGrid HV venture, as well as communication with global DNV teams on international projects. Opportunities for informal "lunch & learn" sessions and knowledge sharing initiatives.

Work Schedule:

• Primarily standard business hours (40 hours/week).

• Expectation of flexibility to meet project demands, including occasional extended hours or weekend work during critical project phases or for international calls. Travel may be required for client meetings, site visits, and FAT/SAT.

📝 Enhancement Note: The on-site requirement emphasizes the value DNV places on in-person collaboration, team synergy, and direct client engagement within their Johannesburg office.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of CV and application for alignment with core requirements, particularly HVDC experience and relevant qualifications.

• Technical Interview(s): In-depth discussions focusing on HVDC system design principles, experience with simulation tools, knowledge of control and protection systems, and problem-solving capabilities. Expect scenario-based questions related to complex HVDC challenges.

• Case Study/Presentation: Candidates may be asked to present a past project from their portfolio, detailing their role, technical approach, and outcomes. This assesses communication skills, technical depth, and ability to articulate value.

• Behavioral & Cultural Fit Interview: Assessment of soft skills, teamwork, leadership potential, client-facing abilities, and alignment with DNV's values and culture.

• Final Interview: Potentially with senior leadership to discuss strategic fit, business development potential, and overall suitability for the Senior/Principal level.

Portfolio Review Tips:

• Highlight Impact: Clearly articulate the quantifiable impact of your HVDC design contributions (e.g., cost savings, efficiency improvements, enhanced reliability, successful grid integration).

• Showcase Technical Depth: For system studies, detail the specific models used, the parameters analyzed, and how the results informed design decisions. For control systems, explain the logic, fault scenarios addressed, and compliance achieved.

• Demonstrate Leadership: Include examples of projects where you led design efforts, mentored junior engineers, or played a key role in client interactions and business development.

• Structure for Clarity: Organize your portfolio logically, perhaps by project type or responsibility area, with concise summaries and clear visual aids (diagrams, charts) where appropriate.

• Tailor to DNV: Emphasize experience relevant to DNV's work in the energy transition, grid modernization, and renewable energy integration.

Challenge Preparation:

• Be prepared to discuss hypothetical HVDC integration scenarios, grid stability issues, or control strategy development for multi-terminal systems.

• Practice articulating complex technical concepts concisely and persuasively.

• Think about how you would approach business development for HVDC services, identifying potential clients and value propositions.

• Consider how you would mentor a junior consultant facing a challenging design problem.

📝 Enhancement Note: Candidates should anticipate rigorous technical questioning and be ready to defend their design choices and analytical methods with evidence from their portfolio.

🛠 Tools & Technology Stack

Primary Tools:

• HVDC System Design Software: PSS®E, PSCAD, PSLF, DIgSILENT PowerFactory, or similar power system analysis and simulation tools are essential.

• CAD Software: Experience with AutoCAD or similar for reviewing and understanding general arrangement drawings and substation layouts.

• Project Management Software: Familiarity with tools like Microsoft Project, Asana, or Jira for project planning and tracking.

Analytics & Reporting:

• Advanced Excel for data analysis, calculations, and reporting.

• Business Intelligence (BI) tools (e.g., Power BI, Tableau) may be used for internal reporting and client presentations, though direct technical modeling is the core.

CRM & Automation:

• CRM systems (e.g., Salesforce) for managing client relationships and business development activities.

• DNV's internal knowledge management systems and collaboration platforms.

📝 Enhancement Note: Proficiency in industry-standard power system simulation software is non-negotiable for this role. Candidates should be prepared to discuss their experience and comfort level with these tools in detail.

👥 Team Culture & Values

Operations Values:

• Integrity: Upholding the highest ethical standards in all technical assessments and client interactions, ensuring objective and reliable advice.

• Expertise: Commitment to continuous learning and maintaining cutting-edge knowledge in HVDC technology and power systems engineering.

• Collaboration: Fostering a team-oriented environment where knowledge is shared openly, and collective intelligence drives innovative solutions.

• Impact: Focusing on delivering solutions that contribute significantly to the energy transition, enhancing sustainability, reliability, and affordability of electricity networks.

• Client Focus: Dedicated to understanding and exceeding client expectations by providing tailored, high-quality advisory services.

Collaboration Style:

• Cross-functional Integration: Actively engages with specialists across DNV's diverse energy system domains to provide holistic solutions.

• Process Review Culture: Encourages constructive feedback and peer review of designs and analyses to ensure accuracy and optimize outcomes.

• Knowledge Sharing: Participates in and leads internal knowledge-sharing sessions, contributes to best practice development, and mentors colleagues.

📝 Enhancement Note: DNV's emphasis on integrity and expertise aligns with the critical nature of high-voltage system design, where accuracy and trust are paramount.

⚡ Challenges & Growth Opportunities

Challenges:

• Rapidly Evolving Technology: Keeping pace with advancements in HVDC converter technology (e.g., VSC HVDC, multi-terminal networks) and grid integration requirements for renewables.

• Complex Grid Integration: Addressing the challenges of integrating large-scale renewable energy sources and ensuring grid stability with complex HVDC interconnections.

• International Standards and Regulations: Navigating diverse and evolving grid codes and regulatory frameworks across different regions.

• Balancing Technical Rigor with Commercial Demands: Ensuring robust technical solutions while meeting project budgets and timelines.

Learning & Development Opportunities:

• Advanced HVDC Training: Access to DNV's internal training programs and external courses on cutting-edge HVDC technologies and system studies.

• Industry Conferences & Standardization: Opportunities to attend and present at leading industry conferences (e.g., CIGRE, IEEE PES) and participate in standardization committees.

• Mentorship Programs: Guidance from senior leaders within DNV's global network, fostering leadership and strategic development.

• Cross-Disciplinary Learning: Exposure to other areas within DNV's Energy Systems, such as offshore wind integration, energy storage, hydrogen systems, and market analysis.

📝 Enhancement Note: The role offers significant opportunities for professional growth by tackling complex technical challenges and contributing to the evolving landscape of power transmission.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex HVDC system design challenge you faced and how you overcame it. What was the outcome?" (Focus on problem-solving, technical depth, and results.)

• "How would you approach the dynamic stability analysis for a multi-terminal HVDC system integrating offshore wind farms? What software would you use and what are the key considerations?" (Assess technical methodology and tool proficiency.)

• "How do you ensure grid code compliance for an HVDC connection in a new market with evolving regulations?" (Evaluate understanding of regulatory environments and compliance strategies.)

Company & Culture Questions:

• "What interests you most about DNV's role in the energy transition and our FlexGrid HV venture?" (Assess alignment with DNV's mission and focus.)

• "How do you approach mentoring junior engineers, and what is your philosophy on knowledge sharing within a technical team?" (Evaluate leadership and team collaboration style.)

Portfolio Presentation Strategy:

• Select High-Impact Projects: Choose 2-3 projects that best showcase your expertise in HVDC system design, analysis, and client engagement.

• Quantify Achievements: For each project, clearly state your role, the scope of work, the key challenges, your specific contributions, and the measurable outcomes or benefits achieved.

• Visualize Complexity: Use diagrams, schematics, and data visualizations (e.g., simulation plots) to illustrate complex technical concepts effectively.

• Tell a Story: Structure your presentation to guide the interviewer through the project lifecycle, highlighting your decision-making process and problem-solving approach.

• Be Prepared for Deep Dives: Anticipate detailed questions about your methodologies, assumptions, and the technical details of your work.

📝 Enhancement Note: Candidates should focus on demonstrating not only technical competence but also their ability to lead, collaborate, and contribute to the business objectives of DNV.

📌 Application Steps

To apply for this HVDC Senior/Principal System Design Consultant position:

• Submit your application through the DNV careers portal via the provided link.

• Tailor Your Resume: Ensure your resume explicitly highlights your HVDC experience, specific projects, simulation tool proficiency (PSS®E, PSCAD, PSLF), and any leadership or business development achievements. Use keywords from the job description.

• Prepare Your Portfolio: Curate a selection of your most relevant work samples, focusing on HVDC system design, feasibility studies, system analysis, and client interaction examples. Be ready to discuss these in detail.

• Research DNV: Familiarize yourself with DNV's Energy Systems division, their work in the energy transition, and specifically their FlexGrid HV venture. Understand their values and recent projects.

• Practice Interview Responses: Prepare answers to common technical, behavioral, and situational interview questions, focusing on providing specific examples and demonstrating your expertise and alignment with DNV's culture.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.