Senior Network Administrator

ASEC•Fallon, NV

33d•Onsite

About The Position

As the Senior Network Administrator, you will support mission critical systems at NAS Fallon, NV. You will provide hands-on technical leadership in the configuration, administration, troubleshooting, and protection of network infrastructure supporting Navy training and mission requirements.

Requirements

9 years of progressively responsible experience designing, implementing, and maintaining enterprise and tactical network infrastructures.
A bachelor's degree in a STEM related area of study may be considered in lieu of the full 9 years of experience.
CCNP Enterprise, Security, or Data Center, and an operating system certification (Linux+ preferred).
One of the following industry certifications is required: SecurityX/CASP+, CCNA, CCSP, GCED, GCIA, GCLD, GDSA, GFACT.
Experience in network engineering, architecture, or administration, including experience supporting computer systems administration.
Extensive experience supporting the DoD Information Assurance Vulnerability Management Program (IAVMP).
Demonstrated experience configuring, administering, and troubleshooting enterprise switches, routers, firewalls, and related network infrastructure.
Strong working knowledge of Ethernet, TCP/IP, VLANs, routing protocols, access control lists, and copper and fiber infrastructure, including Inside Plant (ISP) and Outside Plant (OSP).
Hands-on experience with Cisco IOS and experience or training with Cisco NX-OS.
Networking knowledge equivalent to Cisco Certified Network Associate (CCNA), with the ability to independently resolve complex network issues.
Experience implementing DISA STIGs and using ACAS and SCAP tools to assess and remediate vulnerabilities.
Possess applicable computing environment certification or documented vendor training, as required by the contract.
Ability to communicate technical issues clearly, maintain accurate documentation, and coordinate work across technical teams.
U.S. citizenship and an active DoD Top Secret clearance.
Selected candidate will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Nice To Haves

Experience supporting classified networks, Special Access Program environments, or military training systems.
Experience with Multi-Level Security environments.
Experience supporting network authorization documentation and Risk Management Framework (RMF) activities.
Experience leading network upgrades, troubleshooting efforts, and infrastructure improvement projects.
Ability to build positive, collaborative relationships across teams and with external partners.
Effective communicator with strong verbal and written skills.
Proactive, self-directed work style with the ability to operate independently.
Analytical thinker with proven problem-solving capabilities.
Highly organized, with the ability to balance competing priorities in a fast-paced environment.

Responsibilities

Configure, administer, and maintain network infrastructure, including managed switches, routers, firewalls, proxy servers, cryptographic devices, and intrusion detection and prevention systems.
Implement and maintain secure configurations for network devices and associated operating systems in accordance with Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs).
Design and implement physical and logical network configurations, including network segmentation, routing, access controls, and need-to-know separation of data.
Troubleshoot complex network connectivity, routing, switching, and performance issues; identify root causes and implement corrective actions.
Monitor network availability, capacity, and performance; recommend improvements to support reliability, security, and mission requirements.
Perform and support vulnerability assessments using the Assured Compliance Assessment Solution (ACAS), applicable DISA STIGs, and the Security Content Automation Protocol (SCAP) Compliance Checker.
Remediate vulnerabilities, implement required technical controls, and document corrective actions in coordination with system administrators and cybersecurity personnel.
Support the DoD Information Assurance Vulnerability Management Program (IAVMP), including evaluating applicable directives, implementing corrective actions, and tracking compliance.
Maintain network configuration baselines, device configuration backups, equipment inventories, operating procedures, and physical and logical network diagrams.
Plan and execute network upgrades, equipment replacements, and configuration changes through established change management processes.
Coordinate with Government stakeholders, system administrators, cybersecurity personnel, and other technical teams to support network integration and mission operations.
Provide technical guidance and mentoring to network support personnel.
Additional duties may be assigned as necessary.