Title: Sr. Infrastructure Administrator-MPN/CDS

Clearance: DoD Secret, wtih TS eligibility

Location: Columbus, OH (Onsite)

Hours: M-F 06:00-14:30

Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized leader in navigating technology and security challenges, Foxhole delivers mission-focused innovations to answer evolving and complex needs. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world.

Foxhole is seeking a Senior Infrastructure Administrator to lead the design, deployment, and management of enterprise infrastructure supporting a Department of Defense (DoD) cybersecurity program. This role combines technical leadership in on-prem and hybrid cloud environments with service ownership of Mission Partner Network (MPN) and Cross Domain Solution (CDS) capabilities. The ideal candidate will bring deep hands-on expertise in systems engineering, a strong grasp of DoD security frameworks, and the ability to manage lifecycle operations for mission-critical services.

• Architect, implement, and optimize infrastructure solutions, including servers, storage, virtualization platforms, and hybrid cloud integrations
• Oversee day-to-day infrastructure operations, including installation, patching, configuration management, and hardware/software lifecycle maintenance
• Serve as the SME for MPN and CDS, overseeing design, deployment, sustainment, and decommissioning in accordance with DoD interoperability and security standards
• Monitor infrastructure health, capacity, and performance using enterprise tools (e.g., Splunk, ACAS, HBSS); troubleshoot and resolve complex system issues
• Manage data center operations, including provisioning of physical/virtual resources, backups, and disaster recovery planning
• Collaborate with cybersecurity, networking, and application teams to ensure security compliance and alignment with RMF, ATO, and Cross Domain Baseline requirements
• Manage configuration baselines, system upgrades, and patching for MPN/CDS services while maintaining mission availability and security posture
• Lead or support technical reviews, change boards, security testing, and formal evaluations related to MPN/CDS infrastructure
• Coordinate response and resolution of incidents, vulnerabilities, and outages affecting MPN/CDS, ensuring appropriate escalation and documentation
• Interface with DISA stakeholders, mission partners, and cross-functional teams to align MPN/CDS capabilities with operational requirements
• Develop and maintain comprehensive documentation including CONOPS, SOPs, architectural diagrams, security plans, transition-to-support artifacts, and POA&Ms within eMASS
• Design and maintain automated infrastructure workflows using Ansible, Terraform, or PowerShell to streamline provisioning and configuration tasks
• Mentor junior team members, contributing to skills development, operational consistency, and knowledge sharing

• 8+ years of experience in enterprise infrastructure engineering, system administration, or DoD cybersecurity roles
• 2+ years of experience supporting MPN, CDS, or cross-domain environments
• Active DoD Secret clearance with the ability to obtain Top Secret
• DoD 8570 IAT Level II or IAM Level II certification (e.g., Security+ CE, CISSP, CAP)
• Expert-level experience with virtualization platforms such as VMware vSphere/ESXi or Microsoft Hyper-V
• Proficient with SAN/NAS storage, enterprise backup/recovery solutions, and high-availability configurations
• Deep understanding of Cross Domain Solutions, including guard technologies, data transfer methods, and accreditation processes
• Familiarity with DISA STIGs, RMF, eMASS, MPE frameworks, and DoD enterprise services
• Experience with automation/orchestration tools such as Ansible, Terraform, or PowerShell DSC
• Working knowledge of ITIL-based processes (incident, change, problem management)
• Strong analytical, troubleshooting, documentation, and communication skills
• Demonstrated ability to lead technical projects and collaborate with internal and external stakeholders at all levels

Requirements of position:  Think analytically, effective verbal and written communication skills, make decisions, observe/remember details, interpret data, concentrate on tasks, adjust to change, handle stress/emotions.  Regular attendance, maintain work schedule, attend meetings, meet deadlines, keyboard/type, handle confidential information, use math/calculations, stay organized, operate office equipment, may direct others.  Must be able to see, have eye/hand coordination, and lift up to 10 lbs.  May be exposed to dust/dirt, humidity, and noise.

Foxhole Technology is an Equal Opportunity Employer and makes hiring decisions without regard to race, color, religion, sex (including pregnancy, childbirth and sexual orientation), national origin, age, disability, genetic information, military/veteran status, or any other protected class.