Senior Field Technician

Subsea Craft•Portsmouth, NH

8d•$70,000 - $70,000

About The Position

SubSea Craft is a fast growing, privately-funded, UK-based innovative maritime technology company specialising in next-generation, high-performance watercraft and systems. We operate at the intersection of advanced engineering, cutting-edge design, and user-centric innovation, delivering safe, effective, and enabling solutions for both commercial and defence applications.

Requirements

Military, maritime, or defence industry background with significant field or operational maritime experience
Degree-level qualification in Engineering, Robotics, Mechatronics, Computer Science, Systems Engineering, or related STEM discipline, or equivalent industry/military experience
Experience supporting autonomous or software-enabled platforms in live field, trial, or operational environments
Experience configuring and troubleshooting communications and networking systems (LOS, BLOS, RF, cellular, SATCOM, IP-based networks)
Experience operating with unmanned systems (USVs, UAVs, UUVs, or equivalent)
Proven ability to diagnose and resolve complex, system-level issues under operational pressure
Experience contributing to customer-facing or business development activities
Strong understanding of health and safety and safe systems of work
Clear written and verbal communication skills
Full UK driving licence
UK-based, with the willingness and ability to travel internationally
Eligible to hold UK Security Check (SC) clearance

Nice To Haves

Experience operating, configuring and maintaining unmanned maritime platforms.
Familiarity with autonomy or autopilot frameworks – system agnostic.
Basic coding literacy (Python, C, or C++) sufficient to support configuration, diagnostics, and fault finding
Familiarity with mission planning or GCS software (e.g. QGroundControl, Mission Planner, or equivalents)
Exposure to ROS / ROS2, embedded systems, CAN bus, or sensor fusion at an integration level
MASS qualification or equivalent experience
RPAS/UAV experience (GVC or equivalent)
Commercially endorsed (or eligible) RYA Advanced Powerboat or higher
Experience supporting diving or subsea operations

Responsibilities

Ensure end-to-end platform technical readiness prior to deployment, including communications and software, through close coordination with engineering and trials teams
Support and lead the planning and execution of UK and international platform evaluations, exercises, and customer demonstrations across the full SubSea Craft portfolio
Prepare, configure, deploy, operate, maintain, fault-find, and recover platforms and supporting systems in operationally relevant maritime environments
Act as the senior technical authority during operational activity, making time-critical decisions to resolve issues spanning autonomy, software, communications, networking, and hardware
Operate effectively in high-tempo, expeditionary environments, where reliability, safety, and professional judgement directly impact mission outcomes
Diagnose and resolve system-level technical issues affecting mission software, command and control, and data links across multi-domain maritime autonomous systems
Interpret telemetry, logs, and system health data to identify root causes across control systems, sensors, communications, networking, and hardware interfaces
Configure, and troubleshoot command, control, and data link architectures, including LOS and BLOS communications via RF, cellular, SATCOM, and IP-based networks
Diagnose latency, bandwidth limitations, packet loss, interference, and link instability affecting real-time control, telemetry, and payload data
Restore prototype operability safely and efficiently in dynamic maritime environments, minimising downtime and operational risk
Capture and communicate clear, structured diagnostic findings to product, software, and engineering teams to drive rapid adaptation of prototype and in service platforms
Act as the primary on-site technical interface between end users, engineers, programme staff, and key customer stakeholders
Support operator training, system familiarisation, and mission execution for multi-domain maritime autonomous systems.
Support integration, testing, and refinement of sensors, payloads and effectors
Close the loop between operational use and technical development, ensuring lessons learned directly influence platform maturity
Engage confidently with military, government, and industry stakeholders, articulating platform capability, limitations, and technology roadmaps
Support regional commercial teams with technically credible input during evaluations and acquisition discussions
Identify emerging customer needs, integration challenges, and follow-on opportunities, feeding insight into commercial strategy and product development
Lead or contribute to post-activity reporting, customer debriefs, and engagement planning
Operate independently or under Mission Success leadership during expeditionary deployments.
Provide technical leadership and mentorship to Field Technicians
Lead small expeditionary teams where required, setting technical standards and expectations
Escalate technical, safety, or operational risks clearly and decisively through the reporting chain
Complement and support the trials team for UK based trials and commissioning phases as required.

Benefits

Annual Leave – Entitlement to 25 days of annual leave plus bank holidays
Wellbeing Day - An additional Wellbeing Day each year to focus on personal health and wellbeing.
Private Healthcare – Access to comprehensive private healthcare coverage to support your physical and mental wellbeing.
Life Assurance and Critical Illness Cover – Comprehensive protection including Life Assurance (4x salary) and Critical Illness Cover for added financial security.
Family Leave – Enhanced maternity and paternity pay
Christmas Leave – A Christmas shutdown is typically observed.
Professional Development – Commitment to ongoing learning and career growth, supported by training programmes and access to LinkedIn Learning.
Pension Contribution – pension scheme with the option to contribute via salary sacrifice
Flexible Working – Opportunities for flexible working arrangements to promote work–life balance.
Inclusive Culture – A professional environment that values diversity, innovation, and collaboration.