Network Administrator

About the role

The Network Administrator will support enterprise network operations, security, and infrastructure sustainment within an integrated IT environment. Key responsibilities include managing and maintaining enterprise network infrastructure, performing network configuration, deployment, administration, and lifecycle sustainment, administering LAN/WAN connectivity, configuring and maintaining network access controls, monitoring network performance, troubleshooting and resolving issues, implementing and sustaining network security controls, supporting ICAM integration, providing Tier III escalation support, maintaining configuration baselines, documentation, SOPs, and network diagrams, and participating in on-call support.

Responsibilities

• Manage and maintain enterprise network infrastructure (routing, switching, wireless, firewall integration)
• Perform network configuration, deployment, administration, and lifecycle sustainment
• Administer LAN/WAN connectivity, including VLANs, routing protocols, and segmentation
• Configure and maintain network access controls (ACLs, VPNs, TACACS, RADIUS, 802.1x)
• Maintain network monitoring, logging, and alerting systems
• Implement and sustain network security controls in accordance with STIGs, NIST, and Zero Trust requirements
• Support ICAM integration (Okta, Azure AD) to enforce authentication and access policies
• Provide Tier III escalation support for network incidents and outages
• Maintain configuration baselines, documentation, SOPs, and network diagrams
• Support network engineering, upgrades, and infrastructure deployments
• Participate in on-call support to ensure availability and continuity of operations

Requirements

• US Citizen
• Bachelor’s degree or equivalent experience
• 5–8 years of network administration experience
• DoD IAT Level I (Security+) or higher
• Strong expertise in enterprise networking and security
• Familiarity with cloud networking and ICAM solutions
• Experience with ticketing systems (e.g., ServiceNow)

Qualifications

• Relevant certifications (Cisco CCNA/CCNP or similar) are preferred

Skills

• Strong expertise in enterprise networking and security
• Familiarity with cloud networking and ICAM solutions
• Experience with ticketing systems (e.g., ServiceNow)
• Relevant certifications (Cisco CCNA/CCNP or similar)

Benefits

• Competitive pay
• Comprehensive health, dental, and vision insurance
• Paid life insurance
• Paid time off
• 11 paid holidays
• Performance bonuses
• Tuition reimbursement
• Unlimited training
• The opportunity to thrive in a collaborative, flexible, and innovative environment

Pay

N/A

Schedule

N/A

Benefits

• Comprehensive health, dental, and vision insurance
• Paid life insurance
• Paid time off
• 11 paid holidays
• Performance bonuses
• Tuition reimbursement
• Unlimited training
• The opportunity to thrive in a collaborative, flexible, and innovative environment

Pay

N/A

Schedule

N/A

Equal Opportunity Employer

Concept Plus is an Equal Opportunity Employer. We give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.