Senior Full Stack Developer

• Implement and maintain security controls per DoC requirements
• Conduct security assessments and vulnerability remediation
• Collaborate with security teams on RMF documentation
• Ensure continuous compliance with DoC security standards

• Monitor system performance and security
• Implement logging and monitoring solutions Lead incident response and problem resolution
• Ensure resilience and high availability for mission-critical systems

Locations: Travel Requirement: ~10% Travel in DC Metro Area and other Domestic Locations

• Eligible for Secret clearance
• Current Security+ certification (or must obtain within 30 days)
• One of the following: Bachelor’s degree in Computer Science, Engineering, or related field with 5+ years of DevOps experience 8+ years of relevant DevOps/Cloud engineering experience
• Bachelor’s degree in Computer Science, Engineering, or related field with 5+ years of DevOps experience
• 8+ years of relevant DevOps/Cloud engineering experience
• Experience with Azure DevOps implementing DevSecOps pipelines in commercial and classified environments.
• Experience with the container ecosystem - Kubernetes, Helm, Docker, etc.
• Infrastructure as Code (IaC) automation
• Experience with Azure Commercial Cloud and Azure Government Cloud
• Strong scripting skills in Python or other languages
• Experience with identity and access management solutions, specifically Microsoft Entra and Keycloak
• Hands-on experience with CAC/PIV and PKI implementations in secure environments

• Experience implementing DoW Security Technical Implementation Guides (STIGs)
• Strong understanding of the Risk Management Framework (RMF)
• Knowledge of DoC security documentation requirements
• Experience with security scanning tools (Nessus, SonarQube, Aqua Security, or similar) and remediation
• Database administration (SQL, NoSQL, Vector, etc.)
• Elasticsearch/OpenSearch administration
• Version control
• Linux administration
• Experience in data engineering tools and technologies like Databricks, Spark, Hadoop, and data warehousing solutions
• Familiarity with machine learning concepts and tools
• Experience with data visualization tools like Power BI or Tableau
• Relevant cloud security certifications (e.g., Azure Security Engineer Associate)

Expression offers competitive salaries and benefits, such as:

• 401k matching
• PPO and HDHP medical/dental/vision insurance
• Education reimbursement
• Complimentary life insurance
• Generous PTO and holiday leave
• Onsite office gym access

Founded in 1997 and headquartered in Washington DC, Expression provides data fusion, data analytics, software engineering, information technology, and electromagnetic spectrum management solutions to the U.S.

of Defense, Department of State, and national security community.

Expression’s “Perpetual Innovation” culture focuses on creating immediate and sustainable value for our clients via agile delivery of tailored solutions built through constant engagement with our clients.

Expression was ranked #1 on the Washington Technology 2018's Fast 50 list of fastest growing small business Government contractors and a Top 20 Big Data Solutions Provider by CIO Review.