Logo
ClearanceJobs

Network/System Engineer - FS POLYGRAPH REQUIRED

ClearanceJobs, Linthicum Heights, Maryland, United States, 21090

Save Job

Network/System Administrator - Prime Contract

Currently, we are seeking a Network/System Administrator - PRIME CONTRACT to join our team! TS/SCI WITH POLYGRAPH REQUIRED BEFORE CONSIDERATION. This position can be supported on-site in either Augusta, GA or Linthicum Heights, MD. Must have: CompTIA Security+ & Cisco certification (CCNA preferred) 5 years of hands-on experience managing enterprise IT infrastructure in a multi-site environment Proven experience with Aruba ClearPass, including: Configuration of RADIUS and 802.1X authentication Role-based access control (RBAC) and VLAN assignment Integration with Active Directory and certificate-based authentication Solid understanding of Cisco routing and switching, including configuration of VLANs, trunking, spanning tree, static/dynamic routing Familiarity with IOS and NX-OS environments Experience administering VMware vSphere and ESXi, including host provisioning, VM management, vCenter operations Resource planning and basic troubleshooting of hypervisors Working knowledge of Oracle ZFS Storage Appliance, or comparable enterprise NAS/SAN systems Strong understanding of Layer 2/3 network concepts, subnetting, and access control mechanisms Proficient in Windows Server 2016 & 2019 / Active Directory / RHEL in 100% on-premises environment Ability to produce and maintain clear network/system documentation Demonstrated ability to troubleshoot and resolve issues across multiple technology stacks Excellent communication skills and a collaborative mindset Desired skills: VMWare Certified Professional Aruba Certified Associate (ACCA) or Aruba Certified Professional (ACCP) Configure and manage Aruba ClearPass Policy Manager for 802.1X, RADIUS, and role-based access enforcement Develop and maintain access control policies based on user identity, device type, and authentication method Monitor and troubleshoot authentication flows, ClearPass logs, and integration points with Active Directory Administer and support Cisco routers and switches, including Layer 2/3 configurations, link aggregation, and routing protocols (e.g., OSPF, EIGRP) Perform routine maintenance, firmware upgrades, and configuration backups for network hardware Manage VMware ESXi hosts and vSphere environments, including resource allocation, performance monitoring, and snapshot management Administer Oracle ZFS Storage Appliance for shared storage provisioning, snapshot retention, and capacity planning Assist with network segmentation and VLAN design across multiple physical locations Contribute to the design and deployment of secure, high-availability infrastructure solutions Create and update technical documentation for system/network configurations, standard operating procedures (SOPs), and diagrams Collaborate with other IT staff on incident response, system upgrades, and project rollouts Nice to have: Experience creating custom ClearPass enforcement profiles, downloadable user roles, or integrating ClearPass with external MDM/EDR platforms Familiarity with Aruba Central for wireless infrastructure monitoring and cloud-based AP management Exposure to Palo Alto Networks for firewall configuration and VPN support Ability to script in PowerShell, Python, or Bash for automation of routine network/system tasks Knowledge of STIGs, NIST 800-171 Experience with TLS certificate management and integration into authentication flows Prior work with Zero Trust Network Access (ZTNA) principles or micro segmentation strategies Familiarity with syslog servers, SNMP monitoring tools Ability to contribute to disaster recovery or continuity planning for infrastructure services Comfortable participating in change control, incident response, and cross-team technical discussions