Senior Network Administrator

ASEC; Fallon (NV); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

ESOP

11 paid holidays

Medical/dental/vision coverage

HSA/FSA options

401(k) with company match

Tuition assistance

Veteran-friendly employer

Job summary

ASEC is seeking a Senior Network Administrator to support mission-critical systems at NAS Fallon, NV. You will lead configuration, administration, troubleshooting, and protection of network infrastructure in a DoD environment.

On-site role requiring Top Secret clearance; responsibilities include implementing STIGs, managing switches/routers/firewalls, conducting vulnerability assessments with ACAS/SCAP, and coordinating with cyber and system administration teams to maintain secure, reliable

Qualifications

• 9 years of progressively responsible experience designing, implementing, and maintaining enterprise and tactical network infrastructures.
• CCNP Enterprise, Security, or Data Center and Linux+ or equivalent OS cert; one of several listed security certifications.
• Experience in network engineering, architecture, or administration, including computer systems administration.
• Extensive DoD IAVMP experience and ability to implement DISA STIGs with ACAS/SCAP.
• Strong communication, documentation, and cross-team coordination skills.

Responsibilities

• Configure, administer, and maintain network infrastructure including switches, routers, firewalls, and proxies.
• Implement secure configurations per DISA STIGs and guidance; ensure data segmentation and access controls.
• Design and optimize physical and logical network layouts, routing, and data separation.
• Troubleshoot complex network issues, identify root causes, and apply fixes.
• Monitor availability and performance; propose reliability and security improvements.
• Perform vulnerability assessments using ACAS/SCAP; remediate findings with cyber teams.
• Support IAVMP actions, track compliance, and coordinate with stakeholders on risk actions.
• Maintain baselines, inventories, and network diagrams; manage change control processes.
• Coordinate with government and IT teams to ensure mission operations; mentor junior staff.

Skills

CCNP Enterprise/Security/Data Center

Network engineering

STIGs implementation

IAVMP experience

ACAS/SCAP tooling

Documentation

Education

Bachelor's degree in STEM

Tools

Cisco IOS

Cisco NX-OS

ACAS

SCAP

Job description

Location: NAS Fallon, NV

Security Clearance Requirement: Top Secret

No, work will be performed on site at NAS Fallon, NV

Telework Eligible?

No, work will be performed on site at NAS Fallon, NV

What You’ll Do:

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.

Key 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.

This description outlines the general nature and scope of the role. Additional duties may be assigned as necessary.

Requirements

What You’ll Bring:

Required Qualifications:

• You have 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.
• Required for this position: CCNP Enterprise, Security, or Data Center, and an operating system certification (Linux+ preferred). In addition, one of the following industry certifications is required: SecurityX/CASP+, CCNA, CCSP, GCED, GCIA, GCLD, GDSA, GFACT. Please upload copies of any relevant certifications you hold.
• 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.

Preferred Qualifications:

• 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.

Equally Important:

• 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.

ASEC is committed to providing access and reasonable accommodation in its services, activities, programs, and employment opportunities in accordance with the Americans with Disabilities Act and other applicable laws.

Security Clearance Requirement:

• This position requires 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.

Who We Are:

ASEC offers meaningful, mission-driven work within a culture that supports your professional and personal growth. We partner with our government customers to deliver innovative solutions across engineering, information technology, training, and logistics. Above all, we are committed to doing what’s right for the Warfighter—plain and simple. Explore what makes ASEC different by visiting our website.

Why work at ASEC?

• 100% employee-owned company. Learn more about our Employee Stock Ownership Plan (ESOP) here!
• Comprehensive benefits package, including 11 paid holidays, medical/dental/vision coverage, HSA/FSA options, disability insurance, and more!
• 401(k) with company match
• Tuition assistance for undergraduate and graduate education
• Veteran-friendly employer
• Thriving employee culture

ASEC is an Equal Opportunity Employer. We recruit, hire, train, compensate, and promote employees based on qualifications, merit, and business needs, without regard to race, color, religion, sex, national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, disability, veteran status, genetic information, pregnancy or related conditions (including breastfeeding), or any other status protected by law.

ASEC also complies with all applicable pay transparency laws and will not discriminate against employees or applicants for inquiring about, discussing, or disclosing compensation.