Network Administrator

Booz Allen Hamilton•San Diego, CA

About The Position

The Network Administrator will support the sustainment, maintenance, and operational readiness of Cisco-based network infrastructure in a Department of Defense engineering laboratory. Working with network engineers and technical teams, the role maintains lab systems, performs Information Assurance Vulnerability Management (IAVM) activities, implements security updates, supports software upgrades, and helps ensure network devices comply with applicable DoD security requirements. The position supports accelerated vulnerability remediation by coordinating patching, conducting post-upgrade validation, troubleshooting network issues, and maintaining accurate technical documentation. It emphasizes hands-on network administration, system sustainment, and collaboration to keep the laboratory secure, reliable, and ready for engineering and testing activities.

Requirements

At least 3 years of experience configuring, maintaining, and troubleshooting Cisco enterprise network infrastructure, including switches, routers, and associated network devices.
Experience with network device software upgrades, security patching, configuration backups, and post-upgrade testing and validation.
Knowledge of Layer 2 and Layer 3 networking technologies, including VLANs, trunking, IP addressing, static routing, and dynamic routing protocols such as OSPF.
Knowledge of IAVM, STIGs, vulnerability remediation, or DoD cybersecurity compliance activities.
Ability to support network laboratory or enterprise infrastructure environments, including device maintenance, connectivity troubleshooting, system testing, and technical documentation.
Ability to work independently and collaboratively on a cross-functional engineering team, communicate effectively with technical stakeholders, and support maintenance activities within established timelines.
Secret clearance required; selected applicants will be subject to a security investigation and may need to meet eligibility requirements for classified information access.
High school diploma or GED.
DoD IAT Level II workforce certification, including CompTIA Security+ and Cisco Certified Network Associate (CCNA) certifications.

Nice To Haves

Knowledge of vulnerability assessment and compliance tools such as ACAS, Tenable Nessus, or STIG Viewer.
Knowledge of network security technologies such as firewalls, ACLs, TACACS+, RADIUS, or Cisco ISE.
Knowledge of enterprise routing technologies such as BGP, EIGRP, or other dynamic routing protocols.
Knowledge of network automation or scripting using Python, Ansible, or related tools.
Bachelor's degree in Computer Science, Information Technology, Engineering, or a STEM field.
Top Secret clearance.
Cisco Certified Network Professional (CCNP) certification.

Responsibilities

Configure, maintain, and troubleshoot Cisco enterprise network infrastructure, including switches, routers, and associated devices.
Perform network device software upgrades, security patching, configuration backups, and post-upgrade testing and validation.
Support IAVM activities, vulnerability remediation, and compliance with applicable DoD security requirements.
Coordinate patching activities and support remediation timelines.
Maintain laboratory network systems and operational readiness.
Troubleshoot network connectivity and other network issues; support system testing and device maintenance.
Maintain accurate technical documentation.
Collaborate with network engineers, cross-functional engineering teams, and technical stakeholders to complete maintenance activities within established timelines.

Benefits

Health, life, and disability benefits.
Financial and retirement benefits.
Paid leave.
Professional development and tuition assistance.
Work-life programs and dependent care.
Recognition awards program for exceptional performance and demonstration of company values.

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