Software Engineer

To be considered for this role, you must be a US Citizen with an active US government security clearance. Additionally, you must either live near or be willing to move to the Boulder, CO area.

About Centil

Centil , a Sabel Systems company, is a mission-focused engineering team supporting some of the highest-priority space defense programs in the U.S. Space Force portfolio, including missile defense and missile warning systems for Space Systems Command. Our work spans DevSecOps, CI/CD product development, and space-domain systems engineering, and our people are embedded directly in the programs they support.

In January 2026, Sabel Systems acquired Centil to expand its Advanced Engineering Services capabilities. For our team, that means access to a broader portfolio of programs, deeper corporate resources, and new career pathways - while preserving the technical ownership and small-team culture that defines how we work. It's an exciting time to join Centil: we're growing, the mission portfolio is expanding, and we're building the team that will define what comes next. If you are interested in learning more about Centil or our team, check out our website at

About the role

Centil is seeking a Software Engineer to join our team in a dynamic, agile environment. This role implements a DevSecOps approach across the entire software development lifecycle, including design, development, testing, and operational support informed by user feedback. The ideal candidate will work both independently and collaboratively to design, implement, and maintain software solutions while leveraging modern industry standards and providing clear status updates on design efforts.

Please note this role is required to work full time onsite in Boulder, CO.

What you'll do

• Design, implement, and maintain CI/CD pipelines for software projects
• Troubleshoot issues related to infrastructure, deployment, and performance
• Build tools to reduce occurrence of errors and improve user experience
• Perform root cause analysis and resolution of production errors
• Design and document procedures for system troubleshooting and maintenance
• Collaborate with development teams to optimize code for performance, reliability and scale
• Automate deployment, scaling, and monitoring infrastructure using tools such as Kubernetes and Docker
• Continuously evaluate and recommend improvements to our DevOps processes and tools
• Implement and enforce best practices for security and compliance

Required Qualifications

• A Bachelor's degree in the physical sciences, mathematics, engineering, or computer science
• 5+ years of experience or exposure to software engineering roles and functions
• Java and C/C++ programming (including network, multi-threaded, client-server programming where applicable) on Windows and Linux platforms
• Batch File, Windows Script File, Unix Shell Scripting, Python Scripting
• Basic understanding of relational database applications and creation of expressions using Structured Query Language (SQL)
• Ability to design solutions to complex engineering problems
• A current active SECRET DoD security clearance or higher
• Willingness to work full time onsite in Boulder, CO

Preferred/Bonus Qualifications

• Strong experience with Red Hat OpenShift and Kubernetes architecture
• An advanced degree in the physical sciences, mathematics, engineering, or computer science
• Professional experience with Agile software development
• Experience with FORGE MDPAF or satellite ground station processing (planning, ground control, data processing)

Other Company Requirements

In addition to job-specific requirements, Centil believes it is important for all employees to possess the following skills/characteristics:

• Strong communication (written and verbal) and presentation skills. Ability to passionately deliver high-level messaging to various types of audiences-this will eventually include senior leaders. Ability to explain technical concepts clearly to non-technical personnel
• Self-motivated individual who actively and independently seeks out opportunities for learning and development
• Collaborates well; enjoys working as part of a team
• DoD Secret or higher clearance is preferred. All applicants must be US citizens eligible for a US Government security clearance

Expected Salary Range

Depending on experience and skillset, most candidates will earn between $120,000 and $160,000 per year.

Please note that the salary range is a general guideline only. We consider many factors when determining salaries including, but are not limited to, scope and responsibilities of the position, candidate's work experience, education, training, certifications, key skills, and mission/customer familiarity. We combine these factors with market and business considerations to extend a job offer.

Benefits

Centil offers a comprehensive benefits package including the following:

• Generous PTO for vacation, personal, or sick days
• Ten (10) paid holidays per year: 8 fixed holidays, plus 2 additional Floating Holidays per year (taken at Employee's discretion)
• Flex time and the ability to create your own schedule
• Discretionary bi-annual bonus plan, based on individual and company performance
• 401K retirement plan with immediately vested company contributions, no matching required
• Healthcare coverage plan through an Individual Coverage Health Reimbursement Arrangement (ICHRA)
• Employer-paid Life, Long-Term Disability, and Accidental Death and Dismemberment insurances
• Access to optional, employee-paid Life, Accident, Critical Illness, and Hospital Indemnity insurances
• Access to a Dependent Care Flexible Spending Account (FSA)
• Paid training and conference attendance
• Additional benefits, as needed, for significant life events: parental leave, bereavement leave, jury duty pay, military leave pay
• One-time home office reimbursement
• Phone plan reimbursement
• Employee Assistance Program (EAP) services, supporting emotional health and well-being of employees and their families

Centil is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability, protected veteran status or any other status protected by applicable law.