Senior Level - Software Engineer

Delta Solutions & Strategies

Peterson SFB, COFull-time$110,000–$135,000Posted Oct 22, 2026

About the role

Delta Solutions & Strategies is seeking a Senior level Software Engineer to join our team supporting software development on Peterson Space Force Base. This position will focus on development and maintenance of software for high fidelity Missile Warning training. Successful candidates should be detail-oriented and have excellent problem-solving and analytical abilities. Advanced consideration will be provided to candidates with a space background, and knowledge of the Missile Warning and Missile Defense communities.

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What you will be doing:

  • Developing and modernizing legacy missile warning software applications
  • Performing agile software development in both unclassified and classified environments applying software engineering best practices including unit testing, peer code reviews, continuous integration, and design documentation.
  • Implementing scalable software solutions using Java, C++ ,and C#, ensuring code consistency, maintainability, and adherence to established architectural standards.
  • Collaborating closely with project stakeholders to communicate project status, discuss architectural decisions, identify risks, and develop accurate schedule and effort estimates.
  • Assisting with the development and maintenance of technical documentation, including software architecture diagrams, data flow diagrams, interface specifications, progress reports, and milestone deliverables.
  • Engaging directly with customers to gather and refine requirements, propose innovative technical solutions, create user and system documentation, and participate in requirements and design reviews.
  • Analyzing business and user requirements to translate operational needs into functional software solutions and system enhancements.
  • Contributing to the full software development lifecycle, including requirements analysis, design, development, testing, deployment, and sustainment activities.
  • Other tasks as directed.

What you will need:

  • Bachelor’s degree in computer science or related field.
  • Experience with Java, C#, or C++.
  • 10+ years of experience.
  • Development in a DoD environment preferred.
  • Active US Secret Clearance required, must be able to obtain US Top Secret (TS) clearance. MUST BE A US CITIZEN.
  • Strong Java development experience, including Java EE/J2EE, WebLogic/WebSphere/JBoss, EJB, JMS, JNDI, RMI, JDBC, and multithreaded applications.
  • Experience refactoring legacy software applications
  • Experience with REST, gRPC, SpringBoot, messaging
  • Experience with IBM MQ/JMS and Oracle database integration
  • Ability to analyze large legacy codebases, identify dependencies, and develop implementable modernization recommendations.
  • Container development experience, including Docker files, runtime configuration, logging, health checks, and Kubernetes deployment.
  • Ability to independently own a technical deliverable through design, implementation, testing, documentation, and demonstration.
  • Candidate must have strong written, verbal, and interpersonal communication skills and work well in a team environment and perform independently.

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Delta Solutions & Strategies offers a generous benefits package to include medical, dental, vision, life insurance, 401(k), PTO, paid holidays, parental, military, and jury duty paid leaves.

In compliance with Colorado’s Equal Pay for Equal Work Act, the salary range for this position is $110,000 - $135,000. Please note that the salary information is a general guideline only. Delta Solutions & Strategies considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as market and business considerations when extending an offer.

We are an Equal Opportunity Employer. We do not and will not discriminate in employment and personnel practices based on race, sex, age, disability, veteran status, religion, national origin or any other basis prohibited by applicable law. Hiring, transferring, and promotion practices are performed without regard to the above listed items. EEO/AAP, M, F, V, D

Responsibilities

  • Develop and modernize legacy missile warning software applications.
  • Build and maintain software using Java, C++, and C# in unclassified and classified environments.
  • Apply software engineering practices including unit testing, peer reviews, continuous integration, and design documentation.
  • Collaborate with stakeholders and customers on requirements, architecture, risks, schedules, and technical solutions.
  • Create and maintain software architecture, data flow, interface, and project documentation.
  • Contribute across the software development lifecycle, including design, development, testing, deployment, and sustainment.

Qualifications

  • Bachelor’s degree in computer science or a related field.
  • 10 or more years of experience.
  • Experience with Java, C#, or C++, with strong Java development experience.
  • Experience with Java EE/J2EE, application servers, EJB, JMS, JNDI, RMI, JDBC, and multithreaded applications.
  • Experience refactoring legacy applications and integrating REST, gRPC, Spring Boot, messaging, IBM MQ/JMS, and Oracle databases.
  • Container development experience with Docker and Kubernetes.
  • Active U.S. Secret clearance required; must be able to obtain Top Secret clearance and be a U.S. citizen.
  • Strong communication, analytical, and problem-solving skills; able to work independently and collaboratively.

Benefits

  • Medical, dental, vision, and life insurance.
  • 401(k), paid time off, and paid holidays.
  • Paid parental, military, and jury duty leave.

Skills mentioned

JavaC++C#REST APIsgRPCSpring BootOracle DatabaseDockerKubernetesUnit Testing

About Delta Solutions & Strategies

Delta Solutions & Strategies, LLC, established in 2000, is a VA-Certified Service-Disabled Veteran-Owned Small Business (SDVOSB). We provide Advisory and Assistance Services (A&AS), Technical Training, Information Technology (IT), Operations and Maintenance (O&M), Modeling and Simulation (M&S), Test and Evaluation (T&E), and Space support to Government and Department of Defense (DOD) customers. -ISO 9001:2008 since 2012 -ITAR registered and certified since 2005. Our philosophy is simple: Hire quality people and take care of them. This means competitive salaries and outstanding benefits. Stable and satisfied quality people focus on providing exceptional support to the client. A satisfied customer will take care of business opportunities with the corporate office and the cycle perpetuates. It's not enough to just fulfill the legal obligations of a contract; we strive for elated customers. We get that with valuable people who provide valuable support. That is the Delta Solutions difference.

Armed Forces51-200 employeesColorado Springs, Colorado