Senior DevSecOps Engineer

Overview

MTSI is currently seeking to hire a Senior DevSecOps Engineer to support our infrastructure Information Technology team. This role is 100% remote, requires US Citizenship and must have the ability to obtain a Secret Clearance.

Role Purpose

As a Senior DevSecOps Engineer, you will design, implement, secure, and sustain the Development Platform that supports software delivery across cloud and on‑prem environments. You will ensure the platform's security posture remains compliant with required standards, contribute to architecture and requirements decomposition, and support day‑to‑day development, testing, operations, and sustainment activities. This role requires frequent collaboration with cross‑functional stakeholders and the ability to operate independently in a remote setting.

Qualifications

• 5+ years of combined professional experience as a Network, Cloud, Security, Software, DevOps / DevSecOps, SRE, or Infrastructure Engineer.
• Strong proficiency across multiple technical domains, including CI / CD, Infrastructure as Code (IaC), cloud services, software development, and cybersecurity.
• Hands‑on experience with technologies such as Kubernetes, Nexus, GitLab / GitLab CI, Jira, Confluence, SonarQube, Grafana, Prometheus, Coder, and related configuration and administration.
• Proven ability to troubleshoot complex issues across diverse environments and technology stacks.
• Direct experience with Microsoft Azure cloud services, with Azure Government experience strongly preferred.
• Experience creating and managing Kubernetes resources (e.g., secrets, ingress, services, deployments, namespaces, and RBAC).
• Experience designing, implementing, and maintaining enterprise CI / CD pipelines, jobs, and reusable templates.
• Experience with containerization technologies such as Docker, Podman, and Buildah.
• Experience with GitOps practices and tooling, including Helm, Kustomize, and Argo CD (or similar).
• Experience with IaC tools such as Ansible, Terraform, Packer, Puppet, or Chef.
• Strong background administering multiple Linux distributions and Windows Server environments.
• Experience managing server lifecycles, including provisioning, patching, upgrades, and maintenance.
• Experience operating and maintaining Kubernetes clusters, underlying infrastructure, and associated platform tools.
• Proficiency with at least one common programming or scripting language (e.g., Python, C++, Java, Go).
• Familiarity with core networking concepts and services, including DNS, TLS certificates, load balancing, and related infrastructure components.
• Experience working with security and compliance frameworks such as NIST 800-53, CMMC, RMF, and SSDF.

Education

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

Clearance Requirements

About MTSI and Benefits

Modern Technology Solutions, Inc. (MTSI) is a 100% employee‑owned engineering services and solutions company. We support national defense and security through Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance.

We are an equal opportunity employer. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with disabilities. We embrace a values‑driven culture that places employees first and offers a range of benefits.

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