Principal Systems Architect - C5ISR

ATSC IES, Inc.$125K — $150K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Engineering or a related technical discipline
  • At least 10 years of experience in defense, aerospace, or C4ISR/C5ISR systems
  • Proven ability to translate mission needs into system architectures
  • Experience with complex systems development and integration
  • Strong comprehension of systems engineering principles and multi-vendor integration
  • Ability to provide hands-on technical leadership alongside systems design management
  • Must be a U.S. citizen with security clearance eligibility

Responsibilities

  • Lead the architecture and engineering direction for complex military systems
  • Define integration requirements and create architecture roadmaps
  • Guide the systems development process from concept to deployment
  • Manage technical dependencies and configuration baselines of systems
  • Lead integration and testing activities ensuring performance and interoperability
  • Serve as a technical authority during customer engagements and proposal processes
  • Support test ranges and operational demonstrations to validate system capabilities

Benefits

  • Opportunities for professional development and career growth
  • Involvement in cutting-edge technologies impacting national security
  • Dynamic work environment with multidisciplinary teams
  • Customer-facing role that influences strategic defense solutions
  • Chance to contribute to critical mission success in defense and homeland security
Full Job Description
Principal Systems Architect - C5ISR

Location: Gilbert, AZ

Alternative Location: McLean, VA

Overview

Advanced Technology Systems Company (ATSC), a federal contractor supporting U.S. defense and homeland security missions, is seeking a hands-on Principal Systems Architect - C5ISR to lead the architecture, integration, testing, and technical execution of advanced C4ISR/C5ISR, border/perimeter surveillance, and Counter-UAS systems.

The ideal candidate will translate customer mission needs into scalable system architectures and top-level designs integrating technologies such as sensors, communications, command-and-control, networking, AI/ML, cybersecurity, and edge computing. This role works closely with engineering teams, customers, Program Managers, Business Development, and external partners from concept through deployment and operational acceptance.

Key Responsibilities

Systems Architecture & Technical Leadership
  • Lead end-to-end system architecture and provide hands-on technical direction across multidisciplinary engineering teams.
  • Define system components, interfaces, integration requirements, technical standards, and architecture roadmaps.
  • Evaluate technical tradeoffs related to performance, cost, reliability, scalability, cybersecurity, and deployability.
  • Provide system-level design guidance as needed.

Systems Engineering & Product Development
  • Translate customer and operational requirements into system designs, technical specifications, and traceable engineering requirements.
  • Guide integrated hardware and software systems from concept through development, production, deployment, and sustainment.
  • Manage system interfaces, technical dependencies, configuration baselines, and architectural risks.
  • Apply sound systems-engineering principles across complex, multi-domain, and multi-vendor solutions.

Systems Integration, Verification & Test
  • Lead system-level integration, verification, validation, testing, demonstrations, field trials, and customer acceptance activities.
  • Develop integration and test plans, procedures, verification methods, and acceptance criteria.
  • Resolve interface, interoperability, performance, and system-level technical issues through hands-on troubleshooting and root-cause analysis.
  • Support integration laboratories, test ranges, field deployments, and operational demonstrations as required.

Customer & Business Development Support
  • Serve as a senior technical authority during customer engagements, demonstrations, technical reviews, proposals, and business development activities.
  • Translate customer mission needs into executable technical solutions, system concepts, architectures, and technical approaches.
  • Collaborate with Program Managers, Business Development, engineering teams, customers, subcontractors, and technology partners.
  • Provide technical input to proposals, solution development, program planning, and customer presentations.

Requirements

Minimum Qualifications
  • Bachelor's degree in Engineering or a related technical discipline.
  • Minimum of 10 years of experience architecting, developing, integrating, and testing complex defense, aerospace, C4ISR/C5ISR, surveillance, communications, or other mission-critical systems.
  • Demonstrated experience translating operational and customer mission needs into top-level system architectures and engineering designs.
  • Demonstrated experience taking integrated hardware/software systems from concept through architecture, development, integration, testing, deployment, and operational acceptance.
  • Strong understanding of systems engineering, sensors, communications, networking, distributed computing, software architecture, and system integration.
  • Proven experience integrating multi-vendor and multi-domain systems.
  • Strong understanding of requirements management, requirements traceability, interface definition, verification, validation, and acceptance testing.
  • Ability to personally contribute technically while providing architecture, development, integration, and testing leadership.
  • Must be a US citizen and eligible to obtain and maintain a U.S. government security clearance.
  • Must be able to work on-site in either Gilbert, AZ or McLean, VA.

Preferred Qualifications
  • Experience with C4ISR/C5ISR, border surveillance, perimeter security, ISR, persistent surveillance, Counter-UAS, or related mission systems.
  • Experience with sensors including radar, EO/IR, and acoustic systems.
  • Experience with RF systems, sensor fusion, tracking, geospatial systems, AI/ML, computer vision, and automated detection/classification.
  • Experience with Counter-UAS detection, tracking, identification, and/or defeat systems.
  • Experience with edge computing, tactical communications, mesh networking, autonomous/unmanned systems, or disconnected and low-bandwidth operational environments.
  • Experience with command-and-control systems, persistent surveillance hardware, and integrated mission systems.
  • Experience with system integration laboratories, test ranges, field trials, and operational deployments.
  • Familiarity with U.S. Department of War, Department of Homeland Security, U.S. Customs and Border Protection, or other U.S. government mission environments.
  • Experience with MBSE/SysML and digital engineering.
  • Experience incorporating cybersecurity into complex system architectures.
  • Experience with cloud and hybrid-cloud architectures.
  • Experience working across mechanical, electrical, radar, communications, software, networking, sensor, AI/ML, cybersecurity, and systems engineering disciplines.

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