Software Engineer, Systems 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.***

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 Dev Sec Ops , 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 til.io.

Centil is seeking a Software Engineer to join our team in a dynamic, agile environment. This role implements a Dev Sec Ops 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.

• 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 Dev Ops processes and tools
• Implement and enforce best practices for security and compliance

• 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

• Strong experience with
  
  Red Hat Open Shiftand Kubernetesarchitecture
• An advanced degree in the physical sciences, mathematics, engineering, or computer science
• Professional experience with Agile software development
• Experience with
  
  FORGE MDPAFor satellite ground station processing (planning, ground control, data processing)

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…