OT Engineer

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NCC Group

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1001 - 5000 Mitarbeiter

🔒 Cybersecurity

💼 Beratung

🤝 B2B

Cybersecurity • Consulting • B2B

NCC Group ist ein globales Cyber-Sicherheitsunternehmen, dem führende Unternehmen und Regierungen vertrauen, um Risiken zu managen, die Resilienz zu stärken und digitale Vermögenswerte zu schützen. Seit über 25 Jahren bietet das Unternehmen umfassende Cyber-Fähigkeiten, darunter Vorfallreaktion und digitale Forensik, technische Absicherung und Penetrationstests, Managed Security Services (MXDR, Vulnerability Management, Bug Bounty), Beratung und Implementierung, Bedrohungsaufklärung sowie spezialisierte Dienstleistungen für Cloud, OT, Kryptographie/Blockchain und Supply-Chain-Sicherheit. Das Unternehmen wirbt mit 24/7 Vorfallreaktion, einem globalen Netzwerk von über 2. 000 Mitarbeitern und Partnerschaften in Industrie und Regierung.

Beschreibung

• Technical delivery • Ability to work independently on defined tasks and deliverables semi-autonomously, with technical support from the Principal Consultant • Ability to support technical client-facing workshops and meetings with client OT engineers, IT teams, and technology stakeholders • Ability to understand and define OT network and security designs and architectures aligned with OT best-practice principles, IT/OT boundary design, access control models, etc. • Ability to support evaluation and selection of technically appropriate hardware, software & interpret specifications to identify core technical requirements • Ability to design with OT constraints front-of-mind: availability, safety, legacy system dependencies, change management realities, and the operational impact of security controls • Responsibility to produce technical documentation, including low-level designs, network architecture diagrams, data flows, firewall rule specifications • Ability to communicate design decisions, trade-offs, and dependencies clearly to both technical and non-technical audiences when required • Ability to manage your own workload and task sequencing independently, escalating to the Principal Consultant for technical decisions and assurance checkpoints • Ability to track progress against deliverable milestones and flag risks or blockers early, independently liaising with the project manager on these • Ability to maintain clear documentation and audit trails across all artefacts • Ability to work within various project management processes, including but not limited to AGILE/SCRUM • Contribute to the development of reusable methodologies, templates and technical standards within the practice • Support proposal development activities, where required • Identify opportunities to improve project delivery and efficiency, where relevant • Contribute to mentoring and upskilling more junior members of the team

🎯 Anforderungen

• Demonstrable experience of technical security delivery within the OT/ICS environments (ideally including network security, architecture designs in operational environments, going beyond assessment, policy, or governance work) • Understanding the constraints of OT environments (availability-first priorities, legacy systems, change management limitations, safety-critical considerations, and the practical realities of working around live environments) • Strong understanding of network segmentation, IT/OT boundary design, traffic flow analysis, and OT security architectures • Familiarity with firewall design, switch configuration concepts, and virtualisation within OT or converged IT/OT environments • Strong documentation skills: able to produce clear, auditable documents • Demonstrable experience of delivering network security activities & architecture designs for OT/ICS environments (Desirable) • Working knowledge of IEC62443 applied in real design delivery, particularly zones, conduits, and security levels as applied in real-world design engagements (Desirable) • Familiarity with CIS and STIG policy standards (Desirable) • Familiarity with OT technologies (HMI, PLC, RTU, DCS, SCADA etc.) (Desirable) • Familiarity with common OT network protocols (IEC61850, DNP3, Modbus/TCP etc.) at a network architecture level, Gateways, brokers and messaging formats (Desirable) • Experience with multiple firewall, switch, and virtualisation vendors in OT contexts (vendor-agnostic perspective preferred over single-vendor depth) (Desirable) • Familiarity with NIST SP 800-82 and NIST 800-53 frameworks (Desirable) • Experience in supporting procurement or vendor evaluation processes (Desirable) • Awareness of zero-trust principles applied to OT network segmentation (Desirable) • Exposure to software-defined segmentation approaches for OT networks (Desirable) • OT-relevant certifications such as IEC 62443 Cybersecurity Expert, GICSP, GRID, or equivalent (Desirable) • Exposure to the following sectors: Rail (TS50701), Automotive (ISO/SAE 21434), Renewables (Grid Connection Standards eg. G99), Manufacturing or other similar OT environments (Desirable)

🏖️ Vorteile

• Flexible Working: Balance your work and personal life with our flexible working options. • Generous Holiday Allowance: Enjoy 25 days of holiday, plus bank holidays, with the option to buy up to 5 additional days of annual leave. • Medicash & Critical Illness Scheme • Financial & Investment Benefits: Enjoy peace of mind with our Pension, Life Assurance, and Share Save Scheme. • Community & Volunteering Programmes: Make a difference in your community with our volunteering opportunities. • Green Car Scheme: Drive green and save money with our eco-friendly car scheme. • Cycle Scheme: Stay fit and healthy with our cycle-to-work scheme. • Special Time Off: Take time off for those big moments in life, like getting married/entering into a civil partnership, becoming a grandparent, and welcoming home a new pet. • Family Planning: Benefit from our generous maternity and paternity leave, as well as time off and support for those undergoing fertility treatments.