Senior Systems Engineer
Agile Defense · Colorado Springs
Software EngineeringDigital TransformationOn-siteRegular
Agile Defense is hiring a Senior Systems Engineer in Colorado Springs, Colorado (on-site, full-time). Posted 18 September 2026. Apply directly on Agile Defense's own careers site — no account needed.
Core Position Responsibilities:
- Direct host patching, maintenance, and major version upgrades across multi-cluster ESXi and vCenter environments
- Fine-tune VMware DRS rules, High Availability (HA) admission controls to maximize compute density and hardware efficiency
- Design and govern vSphere Distributed Switch (vDS), including uplink teaming policies, network failover teaming policies, and VLAN tagging integrity
- Architect and audit dedicated, non-routed Layer 2 storage fabrics (SAN, iSCSI, NFS), ensuring complete absence of Layer 3 SVIs and gateway routing hops
- Verifying consistent Jumbo Frame (9000/9216) MTU settings across VMkernel interfaces, vNICs, fabric interconnects, physical switches, and storage targets
- Author, validate, and maintain unified UCS server profile templates across B-Series blade rack servers to eliminate configuration drift
- Enforce zero-trust identity baselines, privilege access workstations principles, and DISA STIG compliance across enterprise forests
- Implement Tiered administrative modules, eliminating insecure credential exposure and auditing sensitive privilege delegation paths.
- Establish engineering documentation standards, perform root-cause analysis, develop detailed infrastructure topology diagrams and standard operating procedures
- Drive technical engineering forums, deliver regular executive briefings on platform health, Enterprise system modernization initiatives
Minimum Qualifications
- Master of Computer Science or related area, and 4+ years IT domain knowledge; or Bachelor's degree in Computer Science or related area, and 8+ years IT Domain Knowledge
- DoD 8140 DCWF 651, Advanced Level
- Cisco Certified Network Associate (CCNA) or Microsoft Certified Solutions Expert (MCSE), or equivalent certification
- This position requires candidates to be U.S. citizens and to possess, at minimum, an active Secret security clearance
- Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
- Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
- Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
- Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
- Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
- Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.
Listings are read directly from each employer's careers system (Greenhouse, Lever, Ashby, SmartRecruiters and Workday) and refreshed daily. hire.run never copies other job boards, and Apply always goes to the employer's own site.