General Field Service Engineer III – Satellite Systems

About the role

Sigma Defense Systems is looking for a qualified General Field Service Engineer to support testing, integration, training, and maintenance of the Airborne Intelligence, Surveillance, and Reconnaissance (AISR) Data Transport – Block II Tactical Relay program. The role involves installing, maintaining, operating, and providing training on the Block II Tactical Relay family of systems.

Key responsibilities

• Install, maintain, operate, and train personnel on Block II Tactical Relay systems.
• Support testing, integration, training, and maintenance activities for the AISR Data Transport program.
• Work with satellite modems, redundancy switches, up/down converters, HPAs, LNAs, LNBs, waveguide joints, IF cables, antenna systems, SSPA, ACU, UPS, HVAC units, and generators.
• Perform RF signal flow analysis and fault isolation.
• Collaborate with multi‑national staff, senior management, and military officers/NCOs.

Required profile

• 4+ years of satellite system operations experience.
• Working knowledge of U.S. military satellite communications, space segment provisioning, and gateway operations.
• Proficiency in RF signal flow, fault isolation, FDMA and TDMA techniques.
• IT systems administration and routing/switching experience (Cisco CCNA preferred).
• Experience with multicast and tactical satellite communications is preferred.
• Valid U.S. passport, U.S. citizenship, and ability to obtain an active Top Secret clearance.
• Education: Bachelor’s in engineering +5 years experience, or Associate’s +7 years, or high school diploma +12 years.

Required skills

• Satellite Modems
• Redundancy Switches
• Up Converters
• Down Converters
• High Power Amplifiers (HPAs)
• Low Noise Amplifiers (LNAs)
• Low Noise Block (LNB)
• Waveguide joints and connections
• Intermediate Frequency (IF) cables
• Antenna systems and motors
• Solid State Power Amplifiers (SSPA)
• Antenna Control Unit (ACU)
• Uninterruptible Power Supply (UPS)
• HVAC units
• Generators
• RF signal flow analysis
• Fault isolation
• Frequency Division Multiple Access (FDMA)
• Time Division Multiple Access (TDMA)
• IT systems administration
• Routing and switching
• Cisco CCNA (preferred)
• Multicast
• Tactical satellite communications