Senior Systems Integration Engineer, C4ISR & Field Ops

Sierra Nevada Company, LLC; Lone Tree (CO); On-site; USD 108,000 - 149,000; Full time

Job summary

Sierra Nevada Company, LLC in Lone Tree, CO is seeking a Systems Integration Engineer III to lead advanced integration tasks, V&V activities, and problem-solving across hardware and software with strict aerospace and defense standards.

You will translate customer needs into technical solutions, manage cross-domain data sharing, provide field support (CONUS/OCONUS), and mentor teams to deliver reliable, interoperable systems that meet mission requirements.

Qualifications

• Bachelor's degree in Systems Engineering, Electrical Engineering, Mechanical Engineering, or related field.
• 6+ years of experience in systems integration or related field.
• Advanced troubleshooting and diagnostic skills across electronic, digital, RF, and networked systems.
• Hands-on experience with:
• Tactical radios and communication systems.
• Wireless networks and mission-communications architectures.
• C2 or sensor-integration systems.
• Laptops, servers, routers, switches, and mission computing hardware.
• Strong communication and customer-facing skills.
• Solid understanding of system‑level maintenance for networked and communications systems.

Responsibilities

• Provide expertise on situational awareness tools, early-warning systems, airspace management, and cross-domain data sharing
• Support integration of multi‑tactical data link (TDL) architectures (Link 16, JREAP, FAAD/IBCS messaging), ensuring reliable track management and data interoperability
• Assist teams with system-level troubleshooting on Air and Missile Defense (AMD)-related command-and-control systems, sensor interfaces, network gateways, and prototype launch platforms
• Diagnose and resolve complex hardware, software, and network issues involving tactical communications, radios, mission computers, routers/switches, and prototype payloads
• Perform installation, configuration, testing, and validation for deployed field systems and prototype equipment
• Execute corrective actions derived from engineering analysis, test results, or customer feedback
• Support operator and maintainer training on system capabilities, mission workflows, TDL configurations, and network employment techniques.
• Provide field support—including CONUS/OCONUS operations—to assist customers during system deployment, exercises, and operational missions.
• Translate customer mission needs into technical solutions and recommended system configurations.
• Support continuous improvement initiatives for system reliability, integration efficiency, and supportability

Skills

Requirements analysis

V&V leadership

System integration

Troubleshooting

Technical writing

Customer-facing skills

Education

Bachelor's degree in Systems Engineering or related field

Tools

Laptops, servers, routers, switches

Mission computing hardware

C2/sensor-integration systems

Job description

Sierra Nevada Company, LLC in Lone Tree, CO is seeking a Systems Integration Engineer III to lead advanced integration tasks, V&V activities, and problem-solving across hardware and software with strict aerospace and defense standards.

You will translate customer needs into technical solutions, manage cross-domain data sharing, provide field support (CONUS/OCONUS), and mentor teams to deliver reliable, interoperable systems that meet mission requirements.