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Senior DevSecOps Engineer Job in Dayton, Ohio US

Senior DevSecOps Engineer

Modern Technology Solutions, Inc. - Dayton, OH

Posted: 12/3/2025 - Expires: 3/3/2026

Job ID: 292950811

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Job Description

MTSI is currently seeking to hire a Senior DevSecOps Engineer to support our infrastructure Information Technology team.

This role is 100% remote, requires USCitizenship and must have the ability to obtain a Secret Clearance

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

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

Are passionate about DevSecOps, automation, and secure software delivery
Understand modern software practices and DoD DevSecOps reference architectures
Communicate effectively and can switch rapidly between tasks and contexts
Work well both independently and within large, multidisciplinary teams
Can translate technical issues and solutions for broad team understanding
Can derive technical approaches from user or mission needs
Are self-driven, adaptable, and committed to continuous learning

Responsibilities:
Your essential job functions will include but may not be limited to:

Contribute to the creation and maintenance of IT processes for planning, execution, and reporting across DevSecOps, requirements management, architecture, integration, verification and validation, transition, configuration management, software engineering, cybersecurity, cloud services, multi-level security solutions, and the full Software Development Lifecycle.
Champion Agile development practices and modern DevSecOps workflows while providing technical guidance on best practices to team members and stakeholders.
Develop and maintain documentation for DevSecOps standards, processes, architectural designs, and other required technical artifacts.
Coordinate with technology vendors to evaluate features, discuss architectural needs, and ensure alignment with ecosystem requirements.
Support the design and definition of system architectures for new and existing solutions.
Assist in the implementation, expansion, configuration, compliance, security, operation, and maintenance of the technologies and tools that comprise the broader ecosystem.
Oversee and maintain the reliability, performance, and operational health of supported systems.
Manage and support CI/CD activities related to system infrastructure, pipelines, and associated tooling.
Ensure security principles and best practices are consistently applied across all processes.
Collaborate with Information Assurance and Cybersecurity SMEs to ensure required security controls are implemented and validated.
Develop and maintain Infrastructure as Code artifacts for the cloud services that support the system.

Qualifications Required:

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:

US Citizenship is required.
Must be able to obtain and maintain a DoD Security Clearance.

#LI-AT1






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-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.





100% Employee Owned:



We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.





Great Benefits - Most Full-Time Staff Are Eligible for:






Starting PTO accrual of 20 days PTO/year + 10 holidays/year

Flexible schedules

6% 401k match with immediate vesting up to $9k annually

Semi-annual bonus eligibility (July and December)

Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account

Up to $10,000 in annual educational reimbursement

Other company funded benefits, like life and disability insurance

Optional zero deductible Blue Cross/Blue Shield health insurance plan





Track Record of Success:



We have grown every year since our founding in 1993.



Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance


MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.


For more information about MTSI, please visit www.mtsi-va.com




MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.

MTSI is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Job Summary

Employment Type:
Full Time Employee
Job type:
Federal Contractor
Skill Based Partner:
No
Education Level:
Bachelor's degree
Work Days:
Mon, Tue, Wed, Thu, Fri
Job Reference Code
85635066
Salary
N/A
Licenses / Certifications:
N/A
Display Recommended WorkKeys®Recommended WorkKeys®:
Applied Math: 6
Graphic Literacy: 6

Workplace Documentation: 5