Jobs at SimVentions

Develops and maintains DoD cybersecurity Assessment and Authorization packages, conducts continuous monitoring, vulnerability testing, risk assessments, and security analysis for U.S. Navy tactical combat systems. The role applies RMF, STIGs, NSA recommendations, and DoD security policies; serves as an ISSO; documents requirements and system architectures; and supports cybersecurity engineering, compliance, testing, and risk mitigation activities.

Perform software-focused systems engineering for military aviation programs, including requirements development, vendor specification review, software and system integration, defect analysis, technical reviews, engineering change proposals, cybersecurity coordination, SOW/CDRL preparation, cost estimates, and contractor proposal evaluations. The role is full-time onsite at NAVAIR Pax River and requires an active Secret clearance.

Develops and documents cybersecurity requirements, policies, architectures, risk assessments, threat analyses, and mitigation plans for Navy combat systems. Conducts classified cyber assurance research, analyzes policy gaps, leads cybersecurity strategy working groups, and applies MBSE models to cybersecurity engineering. The role is fully on-site at NSWC Dahlgren and requires an active Top Secret clearance with SCI eligibility.

Supports the Tactical Tomahawk Weapons Control System through systems engineering, requirements development, architecture modeling, interface analysis, change package creation, human factors support, and engineering documentation. Participates in IPTs, review boards, and working groups; communicates technical findings, design decisions, and project status. Uses MBSE methods and tools such as MagicDraw or Cameo, along with Jira and Microsoft Office applications.

Performs software-focused systems engineering for aviation programs, including developing software requirements, reviewing vendor specifications, coordinating system integration, analyzing defects, supporting technical reviews and engineering change proposals, and preparing acquisition documentation and cost estimates. The role also supports Agile and SAFe processes, technical proposal evaluations, and coordination with cybersecurity experts. Full-time on-site work at NAVAIR in PAX River, Maryland is required.

Develop and maintain embedded firmware for microcontrollers and hardware systems, including GNSS engines and satellite transceivers. Create configuration tools, conduct software and hardware debugging, write tests, troubleshoot network issues, and support system testing in field environments. Collaborate with government teams on-site while following software development practices and program schedules.

Designs and maintains automated test scripts and frameworks, writes requirements-based test plans and cases, performs manual and automated testing, manages traceability in DOORS, and tracks software defects. Collaborates with developers and government customers to resolve issues, reviews test documentation, participates in Agile and configuration control activities, and presents technical testing information. The role supports SLBM systems at NSWCDD and requires on-site work and an active Secret clearance.

Provides Linux systems engineering, administration, hardening, automation, and DevSecOps support across secure development, test, and operational environments. Responsibilities include managing RHEL, CentOS, and Ubuntu systems; building automation with Ansible, Terraform, Bash, and Python; resolving complex Tier 3 issues; supporting CI/CD pipelines; maintaining computer labs; and ensuring compliance with STIGs, NIST, and FISMA standards.

Develop and enhance automation within an MLOps ecosystem, including repeatable model training, scalable data and model architectures, configuration management, and integration of commercial and internal tools. The role requires foundational AI/ML knowledge, software development experience, database and storage familiarity, and understanding of CPU/GPU model training. Docker and database experience are preferred. An interim Secret clearance and U.S. citizenship are required.

Develop, review, test, and maintain C++ aircraft software in a multidisciplinary team supporting NAVAIR. Evaluate technical data, reports, designs, documentation, tests, and equipment for contract compliance. The role requires Linux and RHEL experience, Oracle databases, Visual Studio, an active Secret clearance, U.S. citizenship, and on-site work five days per week. Preferred experience includes Ada, Atlassian tools, DOORS, Cameo, modeling and simulation, hardware integration, and military avionics.

Conduct penetration testing and offensive cybersecurity operations for U.S. Government and DoD systems. Perform software debugging, reverse engineering, source-code analysis, vulnerability identification, code reviews, log analysis, and security mitigation recommendations across Windows, Linux, UNIX, and specialized operating systems. Apply encryption technologies and DISA STIGs, assess networks and applications, support red-team operations, and contribute to security administration documentation.

Administer Windows- and Linux-based systems in an on-site government software hosting facility. Responsibilities include deploying and maintaining physical and virtual infrastructure, virtual machines, containers, servers, workstations, applications, backups, and disaster recovery plans. The role manages accounts and permissions, troubleshoots hardware and software, supports networking, documents configurations and incidents, provides customer support, maintains DoD security compliance, performs continuous monitoring, and participates in Agile project planning.

Designs, prototypes, integrates, and tests rugged embedded electrical systems for defense applications. Responsibilities include analog and digital circuit design, RF receivers, compact antennas, microcontrollers, schematic capture, PCB layout, modeling, fabrication, electromagnetic and environmental testing, documentation, and configuration management. The engineer collaborates with project leads, mechanical engineers, and technicians to refine requirements, manage technical risks, and deliver reliable mission-critical products.

Develop and integrate secure, scalable software for unmanned surface vessels. Responsibilities include designing architectures, integrating hardware, payloads, sensors, and vendor platforms, translating operational requirements into technical specifications, managing agile development cycles, establishing technical baselines, and prioritizing development work. The role also involves collaboration with mission autonomy leadership and may include mentoring and leading software development teams.

Conduct red team operations and penetration testing for U.S. Government and DoD systems. Responsibilities include reverse engineering, vulnerability identification, source-code analysis, security log analysis, exploit and tool development, system administration, code reviews, STIG implementation, encryption technology application, and cybersecurity recommendations. Collaborate with Blue Team professionals to improve cyber posture and contribute to security administration documentation.

Develop automated and manual software test plans, cases, scripts, and frameworks for SLBM systems. Execute testing across static, dynamic, integration, and system levels; trace requirements; identify and track defects; and collaborate with developers and government customers. The role also includes reviewing test documentation, supporting Agile and configuration control activities, presenting technical information, and working full-time on-site with classified defense systems.

Performs integration, software testing, and evaluation of U.S. Navy Electronic Warfare systems interfacing with AEGIS, SSDS, and other subsystems. Develops test cases, procedures, and technical documentation; reviews test results; recommends design or production changes; and provides subject-matter expertise. The role also supports threat-system analysis, Electronic Warfare operations, developmental and operational testing, and coordination of workshops and meetings.