Software Developer III

Position is contingent upon contract award and funding.

Entarian is seeking a Software Developer to support the design development integration deployment and sustainment of the Application Arsenal (AA) enterprise Software Developer will work as part of an Agile DevSecOps engineering team responsible for delivering secure and resilient software capabilities from concept through production deployment and operational sustainment. The position requires experience supporting highly regulated government or Department of Defense environments and developing software for distributed disconnected intermittent and low-bandwidth environments.

• Design develop test integrate deploy and sustain software capabilities for the Application Arsenal platform.
• Translate user stories operational requirements and mission needs into secure maintainable software solutions.
• Participate in Agile ceremonies sprint planning backlog refinement daily standups sprint reviews and retrospectives.
• Develop software using one or more programming languages such as Python Java C# Go or C.
• Implement modern architectural patterns including microservices event-driven and serverless architectures.
• Develop and maintain APIs services integrations automation and supporting software components.
• Use Git-based version-control workflows including GitFlow or trunk-based development.
• Contribute to the complete software delivery lifecycle including:
  • Software design and development
  • Code review
  • Unit integration system and acceptance testing
  • Automated test execution
  • Security validation
  • Containerization and packaging
  • Production deployment
  • Operational monitoring and sustainment
• Develop and maintain CI/CD pipelines within government-designated DevSecOps environments.
• Configure and maintain automated security testing and quality gates including:
  • Static Application Security Testing (SAST)
  • Dynamic Application Security Testing (DAST)
  • Software Composition Analysis (SCA)
  • Container and image scanning
• Remediate software vulnerabilities and defects in accordance with applicable security requirements and established timelines.
• Develop resilient software architectures for disconnected intermittent and low-bandwidth (DDIL) operational environments.
• Integrate software with afloat and ashore Platform-as-a-Service environments including ACS CHE or equivalent platforms.
• Support secure software integration with Cross-Domain Solutions (CDS) and systems operating across disparate security domains.
• Support deployment to Kubernetes cloud virtualized tactical-edge autonomous-system and other authorized operational environments.
• Troubleshoot software infrastructure integration and deployment issues in laboratory operational afloat and ashore environments.
• Support Factory Acceptance Testing (FAT) Site Acceptance Testing (SAT) System Operational Verification Testing (SOVT) and other system validation activities.
• Develop technical documentation deployment procedures test artifacts release materials and contributions to Technical Data Packages.
• Support fielding upgrades exercises demonstrations operational events and rapid agile development activities.
• Collaborate with systems engineers cybersecurity engineers platform teams government stakeholders and mission partners.
• Provide technical support for production incidents sustainment activities corrective actions and operational improvements.
• Perform work in environments ranging from unclassified and CUI to classified laboratories vessels and SCIFs as authorized.

Salary range: $125000.00 - $150000.00

• Active Top Secret or TS/SCI eligible with completed Tier 5 investigation
• Security Certification
• CompTIA Cloud CompTIA Security or equivalent operational certifications.
• Minimum of five (5) years of demonstrated experience in software development utilizing Agile frameworks (such as Scrum Kanban or SAFe) to design develop test and deliver software capabilities to production environments.
• Experience must include:
  • Coding in at least one programming language (e.g. Python Java C# Go or C)
  • Implementing modern architectural patterns (e.g. Microservices Event-Driven or Serverless)
  • Utilizing Git-based version-control workflows (e.g. GitFlow or Trunk-Based Development
  • Participating in the end-to-end delivery pipeline from software design and development through automated testing and production deployment
  • Deploying of Kubernetes cloud virtualized environments.
• Minimum of two (2) years of demonstrated experienceapplying DevSecOps principles in a highly regulated government or DoD-mandated environment such as Overmatch Software Armory (OSA) Platform One or an equivalent environment.
• DevSecOps experience must include configuring automated security testing tools as quality gates within a CI/CD pipeline including tools or capabilities for:
  • SAST
  • DAST
  • SCA
  • Container or image scanning
• Minimum of two (2) years of demonstrated experiencecoding integrating and maintaining resilient software architectures designed for:
  • DDIL environments
  • Afloat and ashore Platform-as-a-Service environments such as Navy ACS USMC CHE or equivalent platforms
  • Secure integration with Cross-Domain Solutions
• Demonstrated ability to troubleshoot and resolve software defects integration issues deployment failures and production incidents.
• Demonstrated experience creating automated unit integration or system tests.
• Ability to work effectively in Agile multidisciplinary engineering teams.
• Ability to produce clear technical documentation and communicate technical information to government and technical stakeholders.

• Experience supporting DoD Department of the Navy or other federal mission systems.
• Experience with Kubernetes containerized applications Docker or equivalent container technologies.
• Experience with cloud-native virtualized or edge-computing environments.
• Experience with government-designated DevSecOps pipelines and associated security guardrails.
• Experience with ACS CHE OPE OSA Platform One or equivalent government platforms.
• Experience integrating with Cross-Domain Solutions or other secure data-transfer mechanisms.
• Experience developing software for tactical-edge autonomous robotic command-and-control or mission-system environments.
• Experience with software artifact replication and secure distribution across remote or disconnected environments.
• Experience with observability logging monitoring incident response and operational troubleshooting.
• Experience supporting FAT SAT SOVT fielding deployment or operational test events.
• Experience working in classified laboratories vessels SCIFs or other secure government facilities.
• Familiarity with RMF activities security control implementation vulnerability remediation POA&M support and ATO documentation.

• Secure software development
• Agile and iterative delivery
• DevSecOps and CI/CD automation
• Cloud-native and containerized application development
• Distributed and resilient systems architecture
• DDIL and tactical-edge software engineering
• Cross-domain and secure-system integration
• Automated testing and quality assurance
• Production deployment and sustainment
• Technical troubleshooting and operational support
• Collaboration and technical communication

Formed through the strategic union of Sev1Tech and ERT Entarian is a premier provider of mission-critical engineering and technology solutions. Founded on a legacy of excellence dating back to 1993 Entarian is a product of an evolved and fully diversified engineering and federal technology leader. From deep space to defense and civilian missions Entarian delivers secure mission-aligned digital solutions that drive national resilience and operational effectiveness. We dont just support modernization; we define it.

Join the Mission and Start your Career Journey: Apply Directly via our Careers Portal Connect Referrals & Inquiries Email the team:

Entarian is anEqual Opportunity and Affirmative Action 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.