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MTSIis seeking aDevSecOps Engineering SMEto support modern DoD digital transformation and infrastructure modernization efforts. This role blendsengineering, infrastructure automation, and DevSecOpsto build, secure, and maintain scalable systems across on-premise, cloud, and containerized environments. The ideal candidate is a hands-on engineer with experience designing secure systems, implementing automated infrastructure pipelines, and deploying mission-critical solutions within Agile DevSecOps environments. This position requires strategic leadership and technical expertise to deliver secure and scalable solutions that address emergent challenges in cybersecurity, mission assurance, and cross-domain collaboration for DoD operations. Responsibilities: Design, implement, and maintain secure DevSecOps architectures across DoD environments, including routing, firewalls, VPNs, and Zero Trust-aligned frameworks. Automate provisioning and configuration usingInfrastructure as Code (IaC)tools such as Terraform, Ansible, or Packer. Support and matureDevSecOps pipelines(CI/CD) for automation and configuration management. Deploy and manage capabilities withincontainerized and orchestrated environments(Docker, Podman, Kubernetes). Integrate modern cloud constructs (AWS VPCs, subnets, gateways, route tables, IAM, Azure VNets/subscriptions, etc.). Troubleshoot and optimize hybrid systems spanning on-prem, cloud, and container platforms. Assist with secure system integration, automated testing, and compliance processes against DoD RMF, DevSecOps, and Zero Trust guidelines. Collaborate with software developers, security teams, and system engineers to ensure resilient and scalable solutions. Document processes, architectures, and best practices to support operational continuity and knowledge sharing. Required Skills: 15+ years of experience in software engineering/development Experience with container tools like Docker and Podman, container management, and associated technologies like Kubernetes Familiarity with CI/CD pipelines and process workflows (GitLab CI, Jenkins, etc) Familiarity with version control tools, i.e. Git Experience with modern Infrastructure as Code (IaC) tools like Packer, Terraform, Ansible Familiarity or experience interacting with modern cloud providers and related technologies, such as Amazon Web Services or Microsoft Azure, or Google Cloud Services Familiarity with processes like: Agile Development, DevOps, and DevSecOps Demonstrated skill sets in in at least one or more high-level programming languages (e.g. Golang, Java, C++) Demonstrated skillsets in at least one or more scripting languages (e.g. Python, Bash, Powershell Desired Skills: Demonstrated skill sets in in at least one or more high-level programming languages (e.g. Golang, Java, C++) You must be able to work both independently and in a collaborative team environment You must be able to meet required schedules and timelines You must be able to communicate technical issues and provide written, oral and/or digital products You must have good analytic skills and the ability to apply these skills in a multi-tasking environment where more than one project may require his/her participation at a given time (typically one primary project and one or two ancillary projects) Minimum Educational Requirements: Bachelor Degree in a computer engineering or computer science field Clearance Requirements: Active TOP SECRET clearance. Location:Flexible, with priority posting in Ohio (OH), Virginia (VA), and Alabama (AL). #LI-CH1 #LI-Onsite #Fnyr Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-