Jobs at Sigma Defense Systems LLC

Design, develop, and deploy data-driven and ML/AI solutions. Collect and analyze multi-source data, build predictive models, create visualizations and web prototypes, and implement scalable data processes. Collaborate with engineers and program offices, support operational deployments, train teams, and write quality procedures. Work within defense programs requiring security clearance and U.S. citizenship.

Navy veteran SME providing BMD CSC training and shipboard assessments for Afloat Training Group Pacific. Conducts BMD certification events, develops intelligence scenarios and missile orders of battle, and applies AEGIS combat system and BMD command-and-control knowledge to training and assessment activities.

Provide Tier 2 IT support including VMware administration, network device management, rack-and-stack, user account administration, troubleshooting, patching, security tasks, monitoring, documentation, and collaboration on IT projects while mentoring junior staff.

Develop and deploy Java applications and microservices on RHEL/Linux, support containerized hosting and VMware hypervisors, create scripts and deployment automation, follow Agile processes, harden systems to DISA STIG/RMF guidance, and produce test plans and engineering documentation for PEO C4I baselines.

Perform systems engineering for Navy Cryptologic Carry-On Equipment and Electronic Warfare programs; design and analyze RF systems, receiver modeling, antenna arrays, and signal processing; ensure systems integration with U.S. Navy warfare systems; work in Windows and Linux environments; maintain required TS/SCI clearance.

Perform hands-on inspection, functional testing, troubleshooting, and documentation of electronic and RF components, assemblies, and finished products. Develop and execute test procedures, record results, identify nonconformances, support root-cause investigations, and maintain quality records and calibrated test equipment to ensure products meet specifications and quality standards.

Provide liaison, programmatic, administrative, and analytical support for CPE-ISW/TENCAP across the acquisition lifecycle. Coordinate with stakeholders, manage deployments and field emplacement, support testing, configuration management, network integration, hardware interfacing, training, and documentation to ensure timely delivery of equipment and program milestones.

Lead design, integration, testing, certification, and fielding of airborne and mission-critical communications/network systems. Oversee system installation, configuration management, troubleshooting, documentation, and readiness certification activities while mentoring junior engineers and supporting cross-functional teams in a classified on-site environment.

Write, edit, and organize technical publications by collaborating with subject matter experts; maintain document records and revisions; select and create illustrations; study drawings and specifications to produce clear technical documentation for defense programs.

Develop and revise training courses and materials with SMEs; deliver classroom, workshop, seminar, and on-site instruction; create computer-based training content; support training preparation and modification for DoW/tactical vehicle environments.

Manage integrated logistics support (ILS) activities including administrative ILS tasks and supply/procurement functions. Support design, validation, and sustainment analyses for complex mechanical and electro-mechanical systems per statement of work requirements.

Manage and improve logistics and material flow for product life cycles, maintain metrics and compliance, resolve transportation and import/export issues, supervise and train logistics staff, and implement process improvements to meet customer requirements.

Manage government defense programs including budgeting, scheduling, lifecycle costing, trade-off analysis, risk management, supportability, test and evaluation, and requirements development. Provide leadership and supervision, present to senior management, and ensure contract-ready program execution. PMP (or DAWIA) required; Secret clearance required or eligible.

Manage planning and implementation of technical military hardware/software projects. Interface with government personnel, perform feasibility and cost analyses, interpret technical requirements, manage logistics support analysis and systems safety studies, and allocate resources to meet project objectives.

Lead configuration management for defense vehicle/tactical integration programs: analyze engineering change proposals, ensure configuration identification, develop CM/data management documentation, participate in design reviews and audits, implement computer-based CM systems, create CM plans, and enforce change control so only approved changes update product documents and software.

Perform visual inspections, troubleshoot equipment, coordinate testing with Test Engineers, supply quality data for regulatory needs, lead failure investigations and recommend corrective actions, and monitor testing to ensure adherence to specifications and protocols.

Perform data collection, analysis, modeling, and visualization to build and deploy scalable ML/AI solutions (including NLP/LLM) in operational defense environments. Collaborate with engineers, implement data processes, validate predictive models, and support secure, containerized deployments while training teams and writing quality procedures.

Lead and manage naval/maritime maintenance and engineering support programs, overseeing technical, schedule, quality, financial, and reporting activities. Coordinate multi‑disciplinary teams, ensure compliance with naval standards and certifications, manage budgets and subcontractors, develop schedules and risk mitigation, and deliver executive briefings and program reports.

Lead development and enforcement of quality control programs for aircraft and Navy shipboard maintenance. Perform inspections using NDT, enforce workmanship standards (J-STD-001, IPC-A-610, IPC-A-620), drive root-cause analysis and corrective actions, mentor technicians, audit documentation, and embed quality checkpoints into maintenance operations to ensure safety, compliance, and continuous improvement.

Manage logistics across product life cycles including ILS, provisioning, obsolescence minimization, maintenance planning, repair analysis, test equipment recommendations, life-cycle cost and component studies, technical documentation, and staying current on logistics technologies and government policies.