Senior Enterprise System Engineer

MTSI is seeking a mission-focused Senior Network Systems Engineer to join a team providing enterprise architecture and engineering services to the Missile Defense Agency (MDA) at Shriver SFB, CO. This role will support the design, integration, and evolution of multiple Research, Development, Test, and Engineering (RDT & E) networks-advanced, high-bandwidth, and configurable systems supporting the research and development needs of scientists, engineers, and collaborative partners. This role requires technical mastery to develop, maintain, and operate IT solutions and maintain a dynamic suite of unclassified, collateral, and SAP computing environments critical to weapons technology innovation.

As a Senior Enterprise Engineer your duties will include the following, but are not limited to:

• Architecture, Design & Innovation
• Design, configure, and maintain robust enterprise-level architectures, across multiple clouds, and impact levels (IL5/6)
• Design and deploy flexible, secure enterprise solutions that support continuous research, development, and DevSecOps.
• Advise and assist with network planning for long-term initiatives including DODNet integration, facility projects, and the Next Generation Environment (NGE)
• Maintain and secure enterprise-level Zero Trust services across classification and cloud boundaries
• Develop innovation roadmaps aligned with mission goals and emerging technologies.
• Security, DevSecOps & Compliance
• Engineer RDT&E network/systems security architecture in compliance with NIST 800-series, DoW RMF, DISA STIGs, and cybersecurity best practices.
• Implement DevSecOps pipelines to automate configuration, security scans, and CI/CD deployments.
• Manage ATO package development and collaborate with ISSMs and cybersecurity stakeholders.
• Integrate identity management and single sign-on solutions across enclaves and hybrid environments.
• System Engineering, Virtualization & Cloud Integration
• Deploy and maintain hybrid cloud services and virtualization platforms (e.g., VMware, AWS, Azure).
• Design and manage storage (SAN, EFS, EBS), automation (Terraform, Packer, Ansible), and orchestration (Kubernetes, Docker).
• Enable seamless connectivity between test systems, cloud resources, and virtual desktops.
• Monitoring, Tooling & Documentation
• Monitor system and network performance using platforms like OpManager, ManageEngine, and custom dashboards.
• Document architectures, procedures, and system configurations with tools like Lucidchart, Visio, and Confluence.
• Provide knowledge transfer, mentorship, and technical guidance to engineers and stakeholders.

Required Qualifications:

• U.S. Citizenship
• Master's degree in Computer Science or related field. Additional 4 years of experience with an applicable bachelor's degree may be considered in lieu of MS
• 8 years in network engineering, architecture, or R&D infrastructure-ideally within DoW environments.
• DoW 8570 IAM Level II compliant, to include certifications: Security+
• Experience with scripting along with experience in Infrastructure as Code (Terraform, Ansible) and DevOps pipeline implementation
• Familiarity with RMF, ATO documentation, and enclave compliance management.
• Active DoW Top Secret clearance
• Eligible for SAP access; willingness to complete CI polygraph.

Preferred Qualifications:

• 10 years' experience in network engineering, architecture, or R&D infrastructure-ideally within DoW environments preferred.
• DoW 8570 IAM Level I compliant, to include certifications: Network+, CCNA, and/or CCNP preferred.
• Scripting languages Python, Bash, or Go preferred

The pay range for this position in Colorado is $160,000/year to $200,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.

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