Sr. Infrastructure Administrator (RHEL)-MPN/CDS

Overview

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.

Job Description

• 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

Minimum Requirements

• 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

More Information

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 mee