Senior Systems Engineer

Clearance Level: Secret, Must Have Clearance to Start

• Required Certification(s): DoD 8140 DCWF 651, Advanced Level; and Cisco Certified Network Associate (CCNA) or Microsoft Certified Solutions Expert (MCSE), or equivalent certification
• The candidate will provide engineering support for enterprise networks, systems, and infrastructure in support of the U.S. Air Force, delivering advanced technical expertise and O&M activities for mission-critical environments.

Candidates must bring professional-level proficiency in VMware vSphere, Microsoft enterprise services (Active Directory, Exchange), and Cisco UCS, with additional familiarity in cloud platforms such as Kubernetes, Azure, and AWS, as well as virtual desktop technologies like Citrix or VMware Horizon.

This position requires an experienced professional capable of contributing immediately, demonstrating a strong track record in similar roles, delivering complex technical projects, and performing effectively without extensive ramp-up or training.

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

Our Core Values

• Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental.
• Our culture is alive and evolving, but it always stays true to its roots.
• Here, you are valued as a family member, and we believe that we can accomplish great things together.
• Agile Defense has been highly successful in the past few years due to our employees and the culture we create together.

• What makes us Agile?
• We call it the 6Hs, the values that define our culture and guide everything we do.
• Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions.
• It's how we show up every day.
• It's who we are.

• 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.
• Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities