Senior Network & Security Engineer (DoD RMF)

UIC Arctic Response Services, LLC; California; On-site; USD 150,000 - 170,000; Full time

Job summary

Delta Solutions and Strategies Bowhead seeks a Senior Network Administrator for our Vandenberg SFB team to manage and secure DoD IT infrastructure across classified and unclassified environments. You will configure networks, implement DISA STIGs, and coordinate RMF activities with ISSOs/ISSMs to ensure mission readiness.

The role requires DoD experience, advanced networking skills, and the ability to work after hours and on contingency operations to maintain continuous availability.

Qualifications

• A high school degree, or a GED, and more than ten (10) years of relevant experience managing network and system infrastructure in DoD or similar mission-critical environments, OR
• A bachelor's degree in a relevant field and seven or more (7+) years of relevant experience managing network and system infrastructure in DoD or similar mission-critical environments, OR
• A master's degree in a relevant field and two or more (2+) years of relevant experience managing network and system infrastructure in DoD or similar mission-critical environments.
• Must meet position and certification requirements outlined in DoD 8140 for the System Administrator or Network Operations Specialist role (Advanced Level) within six months of hire.
• Ability to provide after-hours support as required to maintain operational readiness.
• Provide support for exercises, contingencies, and real-world operations.
• Demonstrated proficiency in enterprise monitoring tools, virtualization platforms (e.g., VMware, Hyper‑V), and configuration management utilities.
• Strong knowledge of DoD network architectures, DISA standards, and enterprise‑level troubleshooting procedures.

Responsibilities

• Configure, manage, and troubleshoot routers, switches, firewalls, and load balancers across LAN, WAN, and data center environments.
• Implement and maintain routing protocols such as OSPF, EIGRP, and BGP to ensure secure, efficient, and redundant traffic flow across enterprise networks.
• Design and manage VLANs, trunking, link aggregation, and port security configurations to maintain segmentation, performance, and network resiliency.
• Administer enterprise infrastructure services including Active Directory, DNS, DHCP, Group Policy, file/print services, and certificate authorities.
• Install, configure, and maintain Virtual Desktop Infrastructure (VDI) environments, managing profile persistence, resource pooling, and user access control policies.
• Perform system and data backups, restore operations, patching, and recovery testing to ensure operational continuity and data integrity.
• Develop and maintain system documentation, technical baselines, configuration guides, and SOPs for standardized and secure deployments.
• Coordinate with ISSOs, ISSMs, and cybersecurity personnel to support RMF accreditation, vulnerability remediation, POA&M tracking, and audit responses.
• Lead root cause analysis and resolution of complex technical issues affecting system performance or availability, documenting solutions and lessons learned.
• Maintain version control for configurations and system images to enable rollback, rapid recovery, and consistent baseline enforcement.
• Track asset inventory, hardware lifecycles, and software license renewals to ensure accurate accountability and resource availability.
• Ensure continuity of operations by implementing redundancy, failover mechanisms, and participating in contingency and COOP exercises.
• Monitor system and network health using enterprise tools and analytics platforms, assessing performance metrics and identifying improvement opportunities.
• Provide capacity planning, scalability assessments, and infrastructure recommendations to enhance reliability and mission performance.
• Develop and deliver system performance reports, risk assessments, and technical status summaries for leadership review.
• Collaborate with engineering, logistics, and cyber teams to integrate network and system changes while maintaining secure and stable operations.
• Provide Tier II/III escalation support and expert troubleshooting for user, network, and system issues.
• Provide after-hours and surge support during mission operations, inspections, or contingency events.
• Serve as a property custodian in accordance with DoDI 5000.64, DAFI 23-111, and AFMAN 17-1203, maintaining accountability for assigned equipment.

Skills

Monitoring tools

VMware

Hyper-V

RMF

DISA/STIG

DoD networks

Troubleshooting

Leadership

Education

Bachelor's degree in a relevant field

Master's degree in a relevant field

Tools

Active Directory

DNS

DHCP

Group Policy

PKI / Certificate Authorities

VDI

Job description

Delta Solutions and Strategies Bowhead seeks a Senior Network Administrator for our Vandenberg SFB team to manage and secure DoD IT infrastructure across classified and unclassified environments. You will configure networks, implement DISA STIGs, and coordinate RMF activities with ISSOs/ISSMs to ensure mission readiness.

The role requires DoD experience, advanced networking skills, and the ability to work after hours and on contingency operations to maintain continuous availability.