Colorado’s thriving aerospace and defense sector makes the state a hub for professionals who hold advanced security credentials. From established defense contractors to fast-growing startups in the Denver and Boulder ecosystems, organizations across the Centennial State continuously seek talent to manage critical defense infrastructure. Systems engineers with Top Secret/Sensitive Compartmented Information clearance are particularly essential, as they design, integrate and maintain complex systems that support national security initiatives. These roles require a mix of deep technical acumen, architecture expertise and strict security compliance.
Colorado offers a dynamic landscape where cleared engineers can tackle high-stakes defense challenges while advancing their careers. Candidates looking to leverage their active clearance will find a robust range of job choices, competitive compensation offerings and opportunities to work on impactful projects throughout the region. To help guide the job search, we’ve compiled a list of some leading Colorado employers hiring systems engineers who bring the right set of specialized skills along with TS/SCI clearance.
Top Companies Hiring Systems Engineers With TS/SCI Clearance in Colorado
- Boeing
- BAE Systems, Inc.
- Northrop Grumman
- Lockheed Martin
- True Anomaly
- Sierra Space
- Ursa Major
- Caliola Engineering
Top Companies Hiring Systems Engineers With TS/SCI Clearance in Colorado
What Caliola Engineering does: Caliola Engineering is a Colorado Springs-based defense contractor that delivers communications and cyber engineering solutions to support government and defense infrastructure. Its expertise covers waveform design, secure networking, mission planning and more.
What makes Caliola Engineering a great place to work: It aims to create a positive work environment by ensuring every team member’s contributions directly shape the company trajectory and mission. Employees benefit from a culture that emphasizes transparency, continuous professional development and personal growth.
What True Anomaly does: True Anomaly designs and manufactures spacecraft, payloads and software applications that integrate AI capabilities to support national security and space superiority mission operations.
What makes True Anomaly a great place to work: The company supports its team’s physical and financial health by offering 100 percent employee-sponsored medical, dental and vision insurance coverage alongside equity options. Employees also enjoy flexible PTO and office perks like catered lunches.
What RTX does: RTX builds advanced technologies for aerospace and defense across its Collins Aerospace, Pratt & Whitney and Raytheon business units. The conglomerate develops commercial and military aircraft engines, avionics, satellite platforms, cybersecurity platforms and guided missile systems.
What makes RTX a great place to work: Its Employee Scholar Program enables continued education by providing reimbursement that covers tuition, textbooks and select academic fees. RTX supports flexible work arrangements and promotes work-life balance through programming for everything from for dependent and adult care to counseling.
What Lockheed Martin does: Lockheed Martin specializes in aeronautics systems, missile defense technology and spacecraft development, delivering capabilities to support military partners and other customers.
What makes Lockheed Martin a great place to work: Lockheed Martin enables growth through structured leadership development programs and professional training initiatives, and its employees can take advantage of tuition assistance, fertility treatment coverage, a 401(k) plan with a company contribution match and other benefits.
What Sierra Space does: Sierra Space builds commercial space station systems, satellite platforms and space transportation solutions. Headquartered in Louisville, the company develops advanced hardware and infrastructure to enable human spaceflight, logistics and commercial research in low-Earth orbit.
What makes Sierra Space a great place to work: With a focus on workplace collaboration, Sierra Space offers open-door access to leadership and continuous learning and development opportunities through both online resources and in-person training.
What Northrop Grumman does: Northrop Grumman engineers advanced aircraft, autonomous platforms, missile defense systems, space technology and more for the United States and its allies.
What makes Northrop Grumman a great place to work: It offers various professional development opportunities for employees in addition to comprehensive support through benefits that range from a recognition program that provides awards for performance and other milestones and a paid parental leave policy.
What BAE Systems, Inc. does: BAE Systems, Inc. produces defense electronics, intelligence systems and other security technology solutions for military and government organizations. Its offerings include armored vehicles, naval weapons, avionics and electronic warfare platforms.
What makes BAE Systems, Inc. a great place to work: BAE Systems Inc.’s benefits feature 401(k) matching, fertility support and tuition reimbursement, and the company works to foster a culture that promotes mentorship, collaboration and internal mobility.
What Ursa Major does: Ursa Major is an aerospace technology company using additive manufacturing to make mission-ready hypersonic, solid rocket and space mobility systems, supporting applications across the land, air, sea and space domains.
What makes Ursa Major a great place to work: At Ursa Major, employees have access to benefits like an unlimited PTO policy and paid parental and adoption leave under a culture that encourages them to take ownership of their work and grow professionally.
What Leidos does: Leidos is a technology provider that leverages expertise in areas ranging from AI and software development to manufacturing and quantum science to support digital modernization and optimized mission capabilities for government and commercial customers.
What makes Leidos a great place to work: Employing roughly 50,000 employees, Leidos seeks to cultivate a workplace centered on values like inclusion, innovation and integrity. Its employee benefits package includes access to wellness resources such as the Headspace app and meQuilibrium Digital Resilience tool along with an employee stock purchase plan and 401(k) plan featuring company contribution matching and immediate vesting.
What Boeing does: Boeing manufactures commercial jetliners, defense aircraft, satellites and space systems. The enterprise’s services and solutions support a wide range of commercial and government clients.
What makes Boeing a great place to work: Boeing’s employee benefits include a 401(k) plan with contribution matching and immediate vesting, tuition assistance and an employee stock purchase plan. Its people-focused workplace emphasizes teamwork, open communication, flexible work arrangements and extensive access to family and wellness resources.
