At Markon, we are looking for a Software Engineer III to join a team dedicated to advancing our clients’ missions. You will support the development and sustainment of GHOSTGEM’s software suite of applications, including DINO and future mission capabilities for the Fort Meade Customer. Your role involves designing, developing, testing, and maintaining software solutions while integrating with COTS, GOTS, and FOSS tools and frameworks.
What You'll Do
- Develop, enhance, and sustain applications within the GHOSTGEM software suite
- Implement, test, and integrate software solutions with existing COTS, GOTS, and FOSS products and libraries
- Develop automation and scripting solutions to support application functionality and deployment
- Troubleshoot and resolve software issues across development and operational environments
- Collaborate with engineering teams to deliver scalable, containerized, and cloud-native solutions
What We're Looking For
- Active TS/SCI w/ Polygraph
- Experience working with Linux command-line interface and related tools
- Experience developing Bash scripts
- Recent experience with Python (3.x) software development
- Familiarity with Rust programming concepts or a willingness and aptitude to learn Rust
- Experience with NoSQL databases, including MongoDB
- Experience with containerization technologies such as Docker and containerd
- Experience with container orchestration platforms, including Kubernetes
- Experience creating Helm charts for deploying containerized services in Kubernetes
- Familiarity with messaging frameworks, including RabbitMQ
- Familiarity with CI/CD principles and tools, including GitLab CI
- Familiarity with Infrastructure as Code practices and tools such as Ansible
- Experience using Git version control
- Master’s degree in Computer Science or a related discipline plus 5 years of software engineering experience on programs/contracts of similar scope, type, and complexity OR Bachelor’s degree in Computer Science or a related discipline plus 7 years of software engineering experience on programs/contracts of similar scope, type, and complexity
Nice to Have
- Experience with SQL databases, including PostgreSQL
- Experience with the Atlassian tool suite, including Jira and Confluence
Technical Stack
- Linux CLI, Bash, Python 3.x, Rust
- MongoDB, PostgreSQL
- Docker, containerd, Kubernetes, Helm
- RabbitMQ, GitLab CI, Ansible, Git
- Jira, Confluence
Benefits & Compensation
- Compensation Range: USD $160,000.00 - USD $210,000.00 /Yr.
- Medical, Dental, Vision
- Life Insurance, Short-Term Disability, Long-Term Disability
- 401(k) match
- Flexible Spending Accounts, EAP
- Training and Tuition Assistance
- Paid Time Off, Holidays
Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status.



