Systems Modeling Language Jobs

This full-time on-site role supports a federal .NET-based IT portfolio management system in Rockville, Maryland. The position involves analyzing application architecture, managing development backlogs, and overseeing monthly releases for reporting and budget tracking tools. Key responsibilities include performing comprehensive testing, ensuring compliance with security standards, and collaborating with stakeholders through agile sprints. The role appeals to candidates seeking to advance their federal IT career within a supportive small business environment that offers a comprehensive benefits package, professional development stipends, and opportunities for work-life balance.

This full-time Systems Engineer role within Lockheed Martin's Mission Systems team focuses on developing advanced processing hardware and subsystems. The position involves driving product development from requirements derivation through integration, ensuring technical integrity while meeting cost and schedule goals. Key duties include supporting organizational process compliance and leveraging digital transformation tools like model-based engineering and Agile practices. The role appeals to engineers seeking to work on impactful defense and aerospace projects within a culture that values innovation, integrity, and collaboration. The position is based onsite in Owego, New York, offering a supportive environment in a scenic location, and requires eligibility for a Secret security clearance.

The Senior Systems Engineer role within the Airborne Multi-Mission Integration and Test division at RTX supports the Advanced Airborne Sensor program in Dallas, Texas. This onsite position requires an active DoD Top Secret clearance and focuses on leading the development, integration, testing, and deployment of advanced hardware and software systems. Key responsibilities include conducting system tests in an integration lab, developing production-ready software for fleet operations, troubleshooting complex system issues, and creating test plans to validate requirements before customer delivery. The role offers the appeal of working on cutting-edge aerospace and defense technologies alongside a global team of engineers. It provides opportunities for professional growth within a culture that values safety, innovation, and collaboration, with relocation assistance available for qualified candidates.

This Systems/MBSE Engineer role supports multiple government programs focused on digital engineering and systems engineering initiatives within the defense sector. The position involves translating client guidance into actionable plans, applying advanced technical concepts to solve complex Air Force digital engineering challenges, and providing subject matter expertise to junior engineers and project managers. Key responsibilities include utilizing Model-Based System Engineering tools like SysML and Cameo, managing requirements derivation, and advocating for digital engineering best practices. The role appeals to candidates seeking to work in a collaborative team environment with opportunities to influence technical direction and develop new processes. It requires U.S. citizenship and the ability to obtain security clearance, offering a mission-driven environment aligned with the organization's commitment to diversity and inclusion.

This Systems Engineer role at Northrop Grumman Space Systems supports the Ground-based Midcourse Defense program in Huntsville, Alabama. The position involves driving roadmap execution, creating technical review packages, and facilitating design reviews to ensure seamless program delivery. Key responsibilities include performing impact assessments for specification updates, contributing to the Engineering Review Board, and interfacing with stakeholders using Agile methodologies and requirements management tools. The role appeals to candidates seeking to work on revolutionary defense systems within a culture that values intellectual curiosity and innovation. While the position requires on-site work and occasional travel, it offers a comprehensive benefits package including health plans, savings options, and professional development opportunities.

This Systems Engineer role at Northrop Grumman supports the Ground-based Midcourse Defense program within the Missile Defense Integration Business Unit in Huntsville, Alabama. The position involves driving roadmap execution, creating technical review packages, facilitating design reviews, and performing impact assessments for specification updates. Key responsibilities include interfacing with stakeholders and collaborating with build leads to ensure seamless program delivery. The role appeals to candidates seeking to work on revolutionary defense systems that impact global security while contributing to a culture of intellectual curiosity and innovation. The position requires a current Secret clearance and on-site work with approximately 10% travel. Employees benefit from a comprehensive support system including flexible work arrangements, professional development opportunities, and a collaborative environment that encourages bringing one's whole self to work.

The Systems Specialist III role at Building Controls & Services Inc. focuses on project coordination, programming, and commissioning for HVAC and building automation systems in Kansas and Western Missouri. Key responsibilities include installing and programming control systems, performing start-up and troubleshooting, managing project costs and timelines, and providing technical training to team members. This position appeals to experienced professionals seeking a role with significant technical growth and leadership opportunities within a collaborative engineering environment. The job involves regular travel to various job sites, including occasional overnight stays, and requires working in diverse indoor and outdoor conditions while maintaining high safety standards.

This full-time Senior Systems Engineer role supports the design and integration of advanced electromechanical, opto-mechanical, and RF systems for AeroVironment's defense portfolio across air, land, sea, and space domains. Key responsibilities include managing system requirements, defining architectures and interfaces, conducting trade studies, and leading verification planning to ensure mission-capable solutions. The position offers the opportunity to work on cutting-edge national security technologies within a fast-paced, mission-focused environment that values innovation and technical excellence. Candidates will collaborate with cross-functional teams to resolve technical challenges and drive continuous process improvement. The role features a 9/80 work schedule, comprehensive benefits, and a culture dedicated to building technology that matters.

The FMS Systems of Systems Engineering Lead role focuses on shaping large-scale international security and foreign military sales capabilities. The position involves leading early engineering efforts, defining requirements, and integrating C4I systems into complex architectures. Key responsibilities include providing technical guidance to the Chief Engineer, managing acquisition processes, and mentoring teams on advanced technologies like unmanned vehicles. This opportunity appeals to engineers seeking to impact global defense strategies while blending technical expertise with strategic acquisition knowledge. The role requires a Secret clearance and offers a hybrid or remote work arrangement with opportunities for professional growth and collaboration within a people-first culture.

This onsite Senior Principal Systems Engineer role at RTX in Tucson, Arizona, serves as a technical and management leader for the Coyote Block 2C-RM missile program. The position focuses on the development, integration, and testing of complex sensor, communications, and electronic subsystems while acting as a Control Account Manager for multiple cost accounts. Key responsibilities include defining system requirements, leading cross-disciplinary technical discussions, and providing expert troubleshooting for failure investigations. The role appeals to engineers seeking to solve high-stakes national security challenges within a collaborative culture that values innovation and safety. Candidates will work in a fast-paced environment with opportunities for professional growth and relocation assistance, requiring an active U.S. government security clearance and U.S. citizenship.

This full-time Programmatic Spacecraft Systems Engineer role is based on-site in Chantilly, Virginia, supporting critical national defense satellite programs. The position involves defining requirements from design through launch, evaluating contractor performance at milestone reviews, and serving as the primary technical liaison between the government and industry teams. Key responsibilities include leading system trades, developing technical briefings, and ensuring compliance with complex mission requirements. The role appeals to candidates seeking to work at the forefront of space innovation within a fast-paced acquisition environment that offers direct access to senior decision-makers. Success requires navigating ambiguity and delivering high-impact solutions with minimal supervision. The position includes approximately 10% travel and requires an active TS/SCI clearance with polygraph.

The Systems Safety Engineer role at ManTech supports national security missions by ensuring the safety and compliance of advanced technologies. Key responsibilities include conducting comprehensive risk assessments, developing safety management plans, and leading incident investigations to implement corrective actions. The position requires close collaboration with engineering teams to integrate safety principles from design through deployment while maintaining adherence to rigorous regulatory standards. This opportunity appeals to professionals seeking to work in complex, dynamic environments with a strong commitment to safety. The role offers the chance to utilize specialized analysis tools and methodologies while contributing to critical sector projects. Work arrangements involve collaborative team efforts within a mission-driven organization.

This full-time Systems Security Analyst role is based on-site at Lackland AFB in San Antonio, Texas, within the Government Services team of World Wide Technology. The position requires an active Top Secret/SCI clearance and focuses on analyzing and maintaining security systems for federal and defense clients. Key responsibilities include assessing security controls, implementing measures to mitigate vulnerabilities, documenting security operations, and providing strategic cybersecurity recommendations to leadership. The role appeals to professionals seeking to work on mission-critical systems within a globally recognized organization known for its collaborative culture and commitment to innovation. The position offers access to comprehensive benefits, professional development opportunities, and a supportive environment dedicated to creating a great place to work.

This onsite Systems Administrator role supports the AFSCI network at Los Angeles Air Force Base and its geographically separated units. The position involves administering and maintaining servers, workstations, and network infrastructure while ensuring strict compliance with DoD cybersecurity standards and STIG requirements. Key responsibilities include managing system patching, performing vulnerability remediation, supporting incident response, and maintaining high service availability. The role appeals to professionals seeking to contribute to mission-critical logistics within a collaborative, people-first culture that emphasizes operational excellence. Candidates benefit from a comprehensive benefits package including health coverage, retirement matching, and paid time off. An active TS/SCI clearance is required to work in this federal environment.

This full-time Systems Administrator Principal role supports the Engineering, Development, Integration and Sustainment program for the U.S. Space Force at Schriever AFB. The position focuses on managing a Linux-heavy enterprise environment, including the installation, configuration, and maintenance of production servers within a VMWare virtualized infrastructure. Key responsibilities involve enforcing DISA STIG security compliance, performing daily system monitoring and log management, executing security scans, and conducting root cause analysis for hardware and software issues. The role appeals to candidates seeking to contribute to national security missions while working with a highly technical, cross-functional team. The position requires a TS/SCI clearance and offers a collaborative culture focused on resilience and advanced technology, with occasional on-call support duties.

This full-time Electronics Systems Engineer II role supports the development of advanced avionics products within Lockheed Martin Space's integrated development environment. The position requires on-site work at the Littleton, Colorado facility on a flexible 9x80 schedule. Key responsibilities include drafting and managing requirements specifications, utilizing DOORS for change control, and coordinating critical design review milestones such as SRR, PDR, and CDR. The role appeals to systems thinkers who wish to contribute to future-ready space solutions while benefiting from a culture that values innovation, ethical business practices, and extensive employee volunteerism. Candidates will work with a collaborative team to solve complex integration challenges and advance spacecraft technology.

This senior systems safety engineering role at Lockheed Martin Space in Denver focuses on ensuring the safety of national defense and spacecraft systems throughout their lifecycle. The position involves conducting detailed hazard analyses, developing safety documentation such as Preliminary Hazard Lists and Safety Assessment Reports, and supporting design reviews and verification activities. Key responsibilities include coordinating with test range safety teams, maintaining hazard tracking systems, and translating customer requirements into hardware and software safety standards. The role appeals to professionals seeking to work on cutting-edge space technology within a culture that values integrity, innovation, and work-life balance. Employees benefit from flexible work schedules, comprehensive career development opportunities, and a collaborative environment that encourages big-picture thinking and diverse perspectives.

This senior IT Systems Engineer role supports Lockheed Martin's aerospace and defense programs at hybrid locations in Texas or California. The position involves managing isolated DoD cloud environments, performing systems administration on Linux and Windows platforms, and handling infrastructure modernization and compliance. Key responsibilities include applying security patches, optimizing performance, and utilizing automation tools like Ansible and PowerShell. The role appeals to professionals seeking to work on complex, purpose-driven technology challenges within a collaborative culture that values integrity and innovation. The hybrid work arrangement offers flexibility by combining remote duties with on-site presence, while the company provides comprehensive career development opportunities and a supportive environment for diverse talent.

This hybrid Systems Administrator role supports core applications across multiple US government sites including Boyers, Fort Meade, and Quantico. The position involves administering Linux and Windows environments, monitoring system resources, validating deployments, and resolving production issues using ServiceNow. Key responsibilities include maintaining network security, automating tasks with scripts, and documenting standard operating procedures. The role appeals to candidates seeking a collaborative environment with opportunities to work on critical government systems. Success requires an active Top Secret clearance, Security+ certification, and flexibility to work third-shift hours and periodic onsite visits.

This fully remote Systems Administrator role within the IT Infrastructure team focuses on managing access services for a national organization. The position involves troubleshooting Active Directory, Group Policy, and multi-factor authentication issues while ensuring the security and integrity of digital resources. Key responsibilities include resolving user access requests, supporting remote access technologies, and documenting solutions within ITSM tools. The role appeals to candidates seeking a collaborative environment with opportunities to work on critical security infrastructure. The position requires flexibility for limited travel and occasional on-call duties, offering a stable career path in a structured government support setting.

This full-time Senior Systems Engineer and Software Developer role supports the United States Special Operations Command at MacDill Air Force Base. The position focuses on the C2ISR Data Transport Infrastructure, requiring the candidate to lead on-site systems engineering efforts, oversee the design and deployment of complex hardware and software systems, and manage secure enterprise cross domains. Key responsibilities include driving strategic engineering procedures, conducting advanced architectural analysis, and mentoring junior engineers to ensure mission-critical capabilities. The role appeals to professionals seeking to work on high-impact defense missions within a collaborative environment that offers robust benefits, professional development opportunities, and tuition assistance. Candidates must hold a current TS/SCI clearance and possess expertise in systems integration, CI/CD platforms, and security tools.

This full-time Systems Administrator role supports the Engineering, Development, Integration and Sustainment program for the United States Space Force at Schriever AFB. The position focuses on managing a Linux-heavy enterprise environment within a virtualized infrastructure. Key responsibilities include provisioning and maintaining production servers, enforcing DISA STIG security compliance, performing root cause analysis on system issues, and collaborating with cross-functional engineering teams. The role offers the opportunity to work on critical national security space operations with a highly technical team. While the position is based on-site, it involves occasional off-hours on-call support. The environment emphasizes a collaborative culture where professionals can apply their expertise in Red Hat Enterprise Linux, VMware, and network security to enhance the resilience of the national space enterprise.

The Senior Specialist, Information Security Systems Engineering role supports L3Harris's mission to deliver secure technology solutions for national defense across space, air, land, sea, and cyber domains. Based in Dahlgren, VA or Colorado Springs, CO, this on-site position involves applying systems security engineering methods to design, evaluate, and integrate secure networks and systems. Key responsibilities include conducting vulnerability scans, managing risk mitigation strategies, preparing Certification and Accreditation documentation, and serving as the primary incident handler for security events. The role appeals to professionals seeking to work with state-of-the-art security tools and contribute to mission-critical projects within an inclusive culture that values professional growth and work-life success.

This full-time Systems Administrator role supports the Anti-Terrorism Force-Protection program for the United States Navy within the Navy District Washington region. The position involves installing, configuring, and maintaining Windows operating systems and hardware while managing user accounts, backups, and security controls. Key responsibilities include implementing STIG configurations, performing vulnerability remediation, and providing preventive and corrective maintenance for C4I systems across CONUS sites. The role is highly appealing for professionals seeking to make a direct impact on national security within a collaborative defense environment. It offers opportunities for technical growth and professional development through a company that values every contribution. Due to the nature of the support required, the position involves significant travel of 75% or more to various Navy installations.

This Cyber Systems Engineer or Principal Cyber Systems Engineer role is based in San Diego, CA, supporting Northrop Grumman Mission Systems in an enterprise-wide digital transformation. The position involves hands-on installation and integration of complex airborne and terrestrial tactical communication systems, alongside configuring and hardening secure Linux, Windows, and cloud environments. Key responsibilities include managing system operations, performing security audits, generating compliance reports, and collaborating with diverse teams to improve deployment processes. The role offers the appeal of working on revolutionary national defense technologies within a culture that values innovation, intellectual curiosity, and continuous learning. Candidates must maintain a Secret clearance and be prepared for up to 50% travel to classified laboratories across the United States.