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Senior Principal Engineer; Antenna Subsystem - Aerospace and Defence

Job in Welwyn Garden City, Hertfordshire, AL8, England, UK
Listing for: Hamilton Barnes Associates Limited
Full Time position
Listed on 2026-03-10
Job specializations:
  • Engineering
    Electrical Engineering, Systems Engineer, Aerospace / Aviation / Avionics, Electronics Engineer
Job Description & How to Apply Below
Position: 1 Mar 2026 1664073 Senior Principal Engineer (Active Antenna Subsystem) - Aerospace and Defence[...]

Are you ready to help power global connectivity from space and be part of a company that’s defining the future of satellite communications?

Join a world‑leading satellite and space solutions provider with a rich legacy of innovation spanning decades and a newly strengthened global position following its strategic acquisition of another major industry player, operating one of the most advanced multi‑orbit networks with over 100 satellites that connect over 99 percent of the world’s population; trusted by multiple government organisations, mobile network operators, and commercial airlines, celebrated for delivering high‑quality video, broadband, mobility and defence communications, and recognised for pioneering industry firsts from direct‑to‑home broadcasting to cutting‑edge low‑latency Medium Earth Orbit services.

Apply now to join a team at the forefront of space‑enabled innovation and achieve transformational outcomes across land, sea and air!

Responsibilities
  • Subsystem Ownership:
    Act as the technical lead for active antenna elements, defining interfaces and managing performance budgets (EIRP, G/T, gain).
  • Hardware

    Qualification:

    Oversee the space‑grade qualification of RF front‑ends, radiating apertures, and high‑speed digital ASICs.
  • Supplier & Technical Alignment:
    Lead technical reviews with subcontractors to ensure mission‑critical components meet schedule and quality standards.
  • Integration & Test (AIT):
    Support payload‑level testing and troubleshoot functional issues during assembly and in‑orbit testing phases.
  • Cross‑Functional

    Collaboration:

    Partner with thermal, mechanical, and systems teams to optimize hardware resilience against radiation, thermal, and EMC constraints.
  • Performance Reporting:
    Provide technical assurance and regular reporting on subsystem risks, performance, and trade‑offs.
Required Skills
  • Education:

    Master’s or Ph.D. in Electrical/Computer Engineering or a related field.
  • Industry Tenure: 10+ years of experience in electronic equipment design, specifically for the space sector or high‑frequency electronics.
  • RF & Phased Array Expertise:
    Deep knowledge of space‑qualified RF chains, Direct Radiating Antennas (DRA), and active antenna systems.
  • Space Environment Proficiency:
    Proven ability to qualify hardware for harsh environments (WCA, derating, radiation, and thermal analysis).
  • Leadership & Security:
    Strong ownership mindset with the eligibility to obtain "SECRET" level security clearance.
Preferred Qualifications
  • Familiarity with digital beamforming architectures and high‑speed SERDES integration.
  • Experience in "internalizing" manufacturing processes or transitioning from partner‑led to proprietary integration.
  • Prior experience with international supplier oversight and technical auditing.
Benefits
  • Hybrid Working Model:
    Flexible onsite presence (minimum three days per week at the integration facility).
  • Global Exposure:
    Occasional international travel for project execution and supplier management.
  • Technical Sovereignty:
    Be at the forefront of a programme focused on proprietary technology and internal manufacturing excellence.
Salary
  • €,000
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Position Requirements
10+ Years work experience
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