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Castellum Inc

  • Quantico, VA 22134, USA
Apr 22, 2026
$95,000 - $115,000 yearly
Castellum Inc Lakehurst, NJ
JOB SUMMARY Specialty Systems, Inc. has an opening for a Configuration Management (CM) professional to join our team of technical professionals supporting Government customers in development and test lab environments. In this role, you will support the configuration, administration, and technical management of Windows and Linux operating systems, as well as associated hardware and software, with a focus on improving visibility, control, and software configuration management across mission-critical systems of our Department of Defense customer at the Joint Base MDL. Ideal candidates will have a broad set of CM technical skills and must be able to work both individually and within a team environment. As a member of our team, you will be able to experience the professional satisfaction of playing a key role in ensuring that our Department of Defense customers’ systems that have a direct impact on our country’s warfighting and peace-keeping capabilities are performing at...
Apr 20, 2026
$90,000 - $120,000 yearly
Castellum Inc Lakehurst, NJ
JOB SUMMARY Specialty Systems, Inc. has an opening for an Electrical Engineer to join our team supporting the Electromagnetic Aircraft Launch System (EMALS) and/or Advanced Arresting Gear (AAG). EMALS is the aircraft launch system on Ford Class Carriers and uses electromagnetic technology to launch aircraft from the deck of naval aircraft carriers. AAG is a modular, integrated arresting gear system consisting of energy absorbers, power conditioning equipment, and digital controls. In this role, you will assist in the design, implementation, maintenance, troubleshooting, and improvement of electrical engineering functions supporting 1000 VDC, 440 VAC, and 120 VAC power and control systems onboard aircraft carriers. You will work closely with senior engineers to ensure the reliability, availability, and performance of EMALS and/or AAG systems in support of critical national defense missions. This position requires a highly adaptable and resilient individual who...
Apr 16, 2026
$80,000 - $95,000 yearly
Castellum Inc MD
JOB SUMMARY Specialty Systems, Inc. has an opening for a Model-Based Systems Engineer (MBSE) with the below described skills and experience to join our team of technical professionals supporting advanced unmanned air systems. In this position, you will have a high-profile role in the development and application of modern systems engineering practices using model-based approaches in a collaborative, mission-focused environment. Ideal candidates will be motivated, eager to learn, and able to work both independently and within a team setting. As a member of our team, you will experience the professional satisfaction of contributing to innovative systems that support critical mission capabilities. The Model-Based Systems Engineer supports system architecture development, modeling activities, and technical documentation for advanced unmanned air systems. The position provides hands-on experience applying model-based systems engineering principles in support of engineering...
Apr 09, 2026
$100,000 - $140,000 yearly
Castellum Inc College Park, MD
  About the Position GTMR is seeking an experienced Facility Security Officer (FSO) to manage our industrial security program in accordance with the National Industrial Security Program Operating Manual (NISPOM) and other applicable government requirements.  This position is located full-time at GTMR’s Hollywood MD facility, which is currently a classified possessing site with a facility clearance and classified working spaces. The FSO will be instrumental in maintaining all aspects of security compliance, including classified spaces. Job Responsibilities Security Program Development & Management Lead the effort to maintain a facility security clearance with DCSA. Maintain and update as needed Standard Practice Procedures (SPPs) and other required documentation. Coordinate with government and prime contractor security representatives on contract security requirements (DD254s, visit requests, etc.). Serve as primary point of contact for DCSA and...
Mar 29, 2026
$95,000 - $120,000 yearly
Castellum Inc Lakehurst, NJ
JOB SUMMARY Specialty Systems, Inc. has an opening for a Network Administrator with the below described skills and experience to join our team of technical professionals supporting our Department of Defense customer at the Joint Base MDL. In this position, you will have a high-profile role in the development and qualification of systems used for the support of unique Department of Defense systems. Ideal candidates will have a broad set of technical engineering skills and must be able to work both individually and within a team environment. As a member of our team, you will be able to experience the professional satisfaction of playing a key role in ensuring that our Department of Defense customers’ systems that have a direct impact on our country’s warfighting and peace-keeping capabilities are performing at optimal levels. The Network Administrator supports Navy laboratory, integration, and test environments by designing, implementing, securing, and maintaining network...
Mar 28, 2026
$85,000 - $105,000 yearly
Castellum Inc Lakehurst, NJ
JOB SUMMARY Specialty Systems, Inc. has an opening for a Systems Administrator with the below described skills and experience to join our team of technical professionals supporting our Department of Defense customer at the Joint Base MDL. In this position, you will have a high-profile role in the development and qualification of systems used for the support of unique Department of Defense systems. Ideal candidates will have a broad set of engineering technical skills and must be able to work both individually and within a team environment. As a member of our team, you will be able to experience the professional satisfaction of playing a key role in ensuring that our Department of Defense customers’ systems that have a direct impact on our country’s warfighting and peace-keeping capabilities are performing at optimal levels.  The Systems Administrator provides support to U.S. Navy programs by administering and maintaining mixed Windows and Linux server environments that...
Mar 28, 2026
$102,000 - $120,000 yearly
Castellum Inc Lakehurst, NJ
JOB SUMMARY Specialty Systems, Inc. has an opening for an Information Security Officer (ISO) with the below described skills and experience to join our team of technical professionals supporting our Department of Defense customer at the Joint Base MDL. In this position, you will have a high-profile role in the development and qualification of systems used for the support of unique Department of Defense systems. Ideal candidates will have a broad set of security engineering technical skills and must be able to work both individually and within a team environment. As a member of our team, you will be able to experience the professional satisfaction of playing a key role in ensuring that our Department of Defense customers’ systems that have a direct impact on our country’s warfighting and peace-keeping capabilities are performing at optimal levels.  The ISO provides cybersecurity and information assurance support for Navy systems, networks, and applications throughout the...