Principal Engineer

Job Title: Principal Engineer, Telecommunications and Security
Location: South East England (Hybrid, strong remote flexibility)
Contract Type: Permanent
Sector: Energy (Onshore and Offshore), Telecoms and Security

Overview
This is a principal-level role for a Telecommunications and Security Engineer to lead the discipline across major onshore and offshore energy projects, from feasibility through FEED, detailed design, EPC support and decommissioning. You will sit within the Instrumentation and Automation function as the Telecommunications and Security discipline lead, managing a team of engineers and designers and owning technical integrity, deliverables, budget, and schedule across the full project lifecycle.

Why This Role Stands Out
- Principal-level discipline leadership across the full project lifecycle
- Broad technical scope: telecoms, security, marine, navigational, and ICT systems
- Hybrid working with strong remote flexibility
- International project exposure with short-term site and office visits worldwide
- Continuous learning and professional development built into the role

Key Responsibilities
- Lead a team of engineers and designers across small and large projects
- Perform detailed calculations, including optical link budgets and voltage drop calculations
- Prepare and check Telecommunications and Security deliverables such as philosophies, specifications, block diagrams, and architectures
- Produce cable lists and schedules, CCTV and PA/GA coverage studies, bills of materials and MTOs
- Support designers on cable routings, control room layouts, and equipment room layouts
- Carry out technical bid evaluations and liaise with telecommunications and security suppliers
- Attend and run FATs, SATs, and inspections
- Participate in plot plan, 3D model, and coverage study reviews
- Contribute to cross-discipline documents including electrical loads, heat dissipation, weights, and plot plans
- Support manhour estimates and planning for proposals and budgets

Requirements
- Proven knowledge of Telecommunications and Security requirements across oil and gas, carbon capture, and renewables
- Experience on both onshore and offshore projects
- Detailed experience of fibre optic networks (including subsea), PA/GA, process CCTV, and Telecommunications and Security cabling infrastructure
- Knowledge of navigational and marine systems, including radar and vessel traffic systems, AIS, man overboard systems, relevant maritime safety regulations, and berthing aids
- Knowledge of security systems, including access control, intrusion detection, security CCTV, and radar video surveillance
- Working knowledge of ICT, including WANs, LANs, IP telephony, UHF/VHF radio, 5G, and cybersecurity protocols
- Experience performing FATs; SAT and commissioning experience is advantageous
- Bachelor's or Master's degree in a relevant engineering discipline; professional accreditation preferred