Senior Software Developer

Senior Software Developer
Location: Rosslyn, VA
Work Type : Onsite
Remote Work : NO

Job Description

Gridiron IT is seeking a Senior Software Developer to support CACI's mission critical financial and acquisition systems built on Momentum. In this role, you will lead technical planning, oversee development efforts, and guide modernization work across a complex COTS based ecosystem. You will work closely with developers, product owners, Momentum SMEs, system integrators, and leadership to design, implement, and sustain enhancements aligned with program needs.
This role requires strong leadership capabilities, deep technical problem solving skills, and experience coaching developers. You will help the team adopt best practices, ensure development quality, support CI/CD improvements, and contribute to the long term technical direction of the program.
You will need excellent communication skills, the ability to collaborate with multiple stakeholders, and strong organizational awareness to manage priorities in a fast paced environment.

Responsibilities

Momentum / COTS Leadership

• Lead technical work within a Momentum environment.
• Guide customization, integration, extension, and troubleshooting of Momentum modules and services.
• Collaborate with Momentum SMEs on upgrade impacts, configuration, and interface alignment.
• Software Engineering & Architecture
  Design, develop, and maintain services and applications supporting program's mission system.
• Apply engineering best practices for reliability, maintainability, and performance.
• Ensure secure coding practices consistent with DoD requirements.
  Cloud, Containers, and DevSecOps
• Build, deploy, and maintain applications running in OpenShift using Podman, containers, and orchestration patterns.
• Oversee creation and maintenance of container images and deployment pipelines.
• Troubleshoot and optimize containerized applications.
  Support and develop integrations using WebMethods (strong plus).
• Guide interface troubleshooting between Momentum and other enterprise systems.

Database & Data Layer

• Work with relational databases (e.g., Oracle, PostgreSQL)
• Support data modeling, query tuning, and integration with Momentum data structures.

Team Leadership & Quality Assurance

• Lead, mentor, and develop a team of software developers of varying experience levels.
• Conduct code reviews and ensure adherence to standards.
• Support root cause analysis and drive continuous improvement practices.
• Establish and reinforce development processes, documentation standards, and agile rituals.

Required Qualifications

• Typically requires bachelor's degree or equivalent
• Minimum 8-15 years software development experience with at least 3 years in a technical lead or engineering lead role.
• Hands-on experience with Momentum or similar complex COTS products.
• Strong Java development experience, including microservices architectures.
• Experience developing and deploying applications in OpenShift.
• Experience with GitLab for source control and CI/CD.
• Strong database skills (Oracle or comparable relational database experience required).
• Ability to prioritize tasks and lead development efforts in a dynamic environment.
• Strong communication, teamwork, and mentoring abilities.
• Experience with WebMethods for system to system integrations.
• U.S. Citizen
• Active TS Clearance

Nice to Have

• Lead development of Java based microservices and shared components.
• Experience building, hardening, and deploying container images.
• Experience with DevSecOps, system administration, or platform engineering.
• Experience supporting software development in a DoD environment.
• Experience with shell scripting, automation tooling, or CI/CD pipeline design.
• Experience contributing to large COTS upgrades or modernization initiatives

Suggested Tech Stack Section

• Momentum (CGI) 8.x
• Java / J2EE
• OpenShift
• GitLab (source control + CI/CD)
• Oracle / PostgreSQL / SQL
• WebMethods (nice to have)
• Linux environment familiarity
• C#/C++ Experience
• Shell scripting
• DevSecOps / system admin exposure

Clearance
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. Requires Top Secret.

Compensation and Benefits

Salary Range: $160,000 - 190,000/yr (Compensation is determined by various factors, including but not limited to location, work experience, skills, education, certifications, seniority, and business needs. This range may be modified in the future.)

Benefits: Gridiron offers a comprehensive benefits package including medical, dental, vision insurance, HSA, FSA, 401(k), disability & ADD insurance, life and pet insurance to eligible employees. Full-time and part-time employees working at least 30 hours per week on a regular basis are eligible to participate in Gridiron's benefits programs.

Gridiron IT Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status or disability status.

Gridiron IT is a Women Owned Small Business (WOSB) headquartered in the Washington, D.C. area that supports our clients' missions throughout the United States. Gridiron IT specializes in providing comprehensive IT services tailored to meet the needs of federal agencies. Our capabilities include IT Infrastructure & Cloud Services, Cyber Security, Software Integration & Development, Data Solution & AI, and Enterprise Applications. These capabilities are backed by Gridiron IT's experienced workforce and our commitment to ensuring we meet and exceed our clients' expectations.