Demo

Senior DevSecOps Engineer

Modern Technology Solutions, Inc. (MTSI)
Alexandria, VA Full Time
POSTED ON 1/8/2026
AVAILABLE BEFORE 2/23/2026
Modern Technology Solutions, Inc. (MTSI) is searching for a Senior DevSecOps Engineer.

How you will contribute to our National Security and Defense mission:

As a DevSecOps Engineer with MTSI, you will be responsible for aiding in the solutioning, implementing, and sustaining cloud-native and traditional infrastructure, tools, and technologies. You will be responsible for ensuring the environment security posture meets any requirements. You will aid in the decomposition of requirements and the planning of tasking. You will help oversee and contribute to the development, testing, operations, and sustainment of the environment. You will interface frequently with stakeholders across different disciplines and organizations. This position is a hybrid position with a need to be on-site and remote, depending on the corresponding tasking at the time.

You’ll be a great fit for this role if:

  • You have a passion for technology, software, and DevSecOps.
  • You understand the urgent need to modernize software development, security, and delivery.
  • You know the Department of Defense DevSecOps initiative and reference architectures.
  • You have experience with Kubernetes, CI/CD, Infrastructure as Code, Cloud, Software Development, and Cybersecurity.
  • You are passionate about continuous learning and growth, and you seek opportunities to challenge yourself.
  • You are driven to make a meaningful impact through your work.
  • You have excellent communication skills.

Responsibilities

  • Help create and maintain IT-related processes for planning, execution, and reporting to include: DevSecOps, Requirements management, Architecture, Integration, Verification and Validation, Transition, Configuration Management, Software Engineering, Cybersecurity, Cloud Technology Services, Multi-level Security Solutions, and Software Development Lifecyle.
  • Embrace and champion Agile development processes and adopt modern DevSecOps workflows and practices while providing technical guidance to team members and coworkers on best practices.
  • Write documentation for DevSecOps standards, processes, designs, and other required documentation.
  • Help manage interactions with technology vendors to discuss features, relevant architectural needs, etc., to meet ecosystem requirements.
  • Help design and define system architecture for new/existing systems.
  • Support and contribute to the implementation, expansion, configuration, compliance, security, operations, and maintenance of multiple technologies and tools to make up an entire ecosystem.
  • Oversee and manage the site reliability of the systems
  • Help oversee and manage CI/CD activities for the system infrastructure and tooling.
  • Ensure the security and other best practices are being used throughout all processes.
  • Collaborate with Information Assurance and Cybersecurity SMEs to ensure security controls are implemented, and requirements are met.
  • Create and maintain Infrastructure as Code for Cloud services that house the system.

Qualifications Required

  • 10 years combined experience working as a Network, Cloud, Security, Software, DevOps, DevSecOps, SRE, or Infrastructure Engineer.
  • Experience developing design and standards documentation.
  • Experience with Active Directory, domain controllers, IPv4/IPv6, DNS, remote access, VLANs, or other system administrative systems.
  • Experience with technologies including Kubernetes, Helm, Docker, Istio, ArgoCD, GitLab, GitLab CI, Nexus, Grype, Syft, OpenSCAP, NeuVector, Grafana, Jira, Confluence, SonarQube, TwistLock, Coder, Packer, Terraform, Ansible, or equivalent/related technologies.
  • Experience with common modern programming languages (Python, Go, C , Java, etc.).
  • Experience with AWS cloud services, including networking, storage, and compute.
  • Proficiency with implementing and practicing GitOps, Infrastructure as Code, and DevOps.
  • Proficiency with maintaining the lifecycle of Kubernetes clusters, infrastructure, and tools.
  • Proficiency with creating enterprise CI/CD pipelines.
  • Proficiency in Linux and Windows Operating Systems.

Education

  • Bachelor's degree in Cybersecurity, Computer Science, Computer Engineering, or related field.

Clearance Requirements

  • Must have a Secret DoD Security Clearance.

Salary.com Estimation for Senior DevSecOps Engineer in Alexandria, VA
$151,506 to $188,295
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