Senior DevOps Engineer

Overview:

We are seeking a Senior DevOps Engineer to support mission-critical DoD programs. This role focuses on designing, implementing, and maintaining secure CI/CD pipelines and cloud infrastructure within classified environments. The ideal candidate will have extensive experience with DoD systems, security compliance, and modern DevOps practices.

Locations:

• St. Louis, MO 3-5 days / week. Travel is required for about 20% of the time supporting user validation events and training

Required Qualifications:

• Eligible for TS/SCI clearance
• Current Security certification (must obtain within 30 days if not currently held)
• U.S. Citizenship required
• 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

Technical Requirements:

• Core Competencies
  • Strong experience with DoD security compliance (STIGs, IAVMs, RMF documentation)
    
  • Proven track record implementing and maintaining CI/CD pipelines in classified environments
  • Extensive experience with containerization (Docker, Kubernetes, OpenShift)
  • Advanced Linux system administration (RHEL preferred)
  • Infrastructure as Code expertise (Terraform, Ansible)
  • Cloud platform experience (AWS GovCloud, Azure Government)
• Required Technical Skills
  • GitLab administration and pipeline development
  • Container orchestration with OpenShift/Kubernetes
  • Infrastructure automation with Terraform and Ansible
  • AWS services (particularly within GovCloud)
  • Database administration (PostgreSQL, MongoDB)
    
  • Elasticsearch/OpenSearch implementation
  • Version control with Git
  • Red Hat Enterprise Linux administration
• Security Focus
  • Experience implementing DoD Security Technical Implementation Guides (STIGs)
  • Understanding of Risk Management Framework (RMF)
  • Knowledge of DoD security documentation requirements
  • Experience with security scanning tools and remediation
    

Key Responsibilities:

• Infrastructure and Cloud Management
  • Design and implement secure cloud architecture within DoD guidelines
  • Manage Infrastructure as Code (IaC) deployments in classified environments
  • Ensure compliance with DoD security requirements and best practices
  • Lead cross-functional teams in defining secure infrastructure requirements
• CI/CD Pipeline Development
  • Develop and maintain secure CI/CD pipelines for classified systems
  • Implement deployment strategies aligned with DoD security protocols
  • Automate build, test, and deployment processes
  • Ensure code security through pipeline integration
• Security and Compliance
  • Implement and maintain security controls per DoD requirements
  • Conduct security assessments and vulnerability remediation
  • Collaborate with security teams on RMF documentation
  • Ensure continuous compliance with DoD standards
• System Reliability
  • Monitor system performance and security in classified environments
  • Implement logging and monitoring solutions
  • Lead incident response and problem resolution
  • Maintain high availability for mission-critical systems

Performance Metrics:

• Technical Delivery
  
  • Deployment success rate in classified environments
  • System availability and reliability metrics
  • Security compliance scores
• Process Improvement
  
  • Automation coverage percentage
  • Deployment frequency metrics
  • Infrastructure as Code implementation rate
  • Documentation quality and coverage

Salary Range:

• 150,000 - 195,000 depending on factors such as experience level, locality pay and the remote/hybrid/on-site schedule

Benefits:

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
• Commuter Benefits Plan

About Expression:

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. Department 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.

Equal Opportunity Employer/Veterans/Disabled