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Senior Engineer - OT Cybersecurity

Unlock employer Abu Dhabi, United Arab Emirates Posted: 02 Jul 2026

Financial

  • Estimate: $80k - $120k*
  • Zero income tax location

Accessibility

  • Office Only
  • Visa Provided

Requirements

  • Experience: Senior
  • English: Professional

Position

We are seeking highly skilled Engineers / Senior Engineer / Lead Engineer to support the implementation of OT Cybersecurity solutions across utility environments and master control centers. The role involves hands-on deployment, configuration, and integration of cybersecurity technologies, infrastructure design, commissioning, and documentation. Candidates must have a strong background in operational technology (OT), instrumentation, and experience working in high and low voltage substations.

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Responsibilities

  • Design and develop High-Level Design (HLD) and Low-Level Design (LLD) documents for OT cybersecurity infrastructure.
  • Perform OT Cybersecurity Gap assessment and risk assessments as per IEC 62443, NIST, and international standards.
  • Perform cable routing and physical installation of network and security devices in substations and control centers.
  • Review and validate Single Line Diagrams (SLDs), existing as-built drawings, and brownfield constraints; raise RFIs and propose constructible solutions.
  • Validate panel drawings (GA, internal layout, wiring, interconnection, termination schedules, BOM) and ensure “as-built” updates post commissioning.
  • Implement and integrate OT cyber infrastructure components (e.g., industrial firewalls, switches, IDS sensors, secure remote access, logging collectors) according to approved LLD and standards.
  • Support network cutovers, IP schemes, VLAN/VRF mapping, routing design inputs, and secure connectivity between substations and central platforms.
  • Ensure installations meet required security baselines and customer utility practices (documentation, labeling, ports, hardening inputs).
  • Support/lead FAT preparation and execution: test procedures, inspection checklists, configuration verification, and evidence packs.
  • Execute SAT / site commissioning, including pre-checks, power-up, connectivity validation, link testing, redundancy checks, punch lists/snags, and final handover.
  • Coordinate with OEMs and customer operations for outage windows, access approvals, and acceptance criteria signoffs.

Qualifications
Technical Skills / Core Competencies

  • Demonstrated on-site execution in brownfield substations / utility environments (HV/LV interfaces awareness, safe work in operational sites).
  • Strong capability in panel/cabinet build supervision, cabling, termination practices, labeling, testing, and as-built documentation.
  • Proven ability to prepare HLD/LLD, implementable drawings, and engineering documentation packs.
  • Understanding of OT network architecture principles (segmentation, zones/conducts) and integration constraints in utilities.
  • Experience supporting FAT/SAT and commissioning activities with structured evidence and acceptance documentation.

HSE / Compliance (Mandatory or Highly Preferred)

  • Strong working knowledge of PTW systems, method statements, and risk assessments for live utility sites.
  • Familiarity with UAE utility HSE expectations including OSHAD-aligned requirements and client safety governance.

Minimum Work Experience

  • 7–12 years in cyber infrastructure / OT infrastructure / electrical-telecom execution in utilities, substations, rail, or industrial environments.
  • Proven track record delivering brownfield site implementation including cabling/panels and commissioning support.
  • Experience in data center infrastructure (rack/cabling/network build) supporting cyber platforms is a strong advantage.

Education

  • Bachelor’s degree in electrical engineering / Electronics / Instrumentation / Telecom / Computer Engineering (or equivalent relevant discipline).
  • Relevant OT cybersecurity certifications (at least one): ISA 62443, GICSP, CISSP.
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