Network Administrator, Network Communications

Mission Technologies, a division of HII

. Operate, maintain and troubleshoot network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN) .

Posted 9/17/2026full-timeVirginia Beach • Virginia • United StatesSeniorLead💰 $99,827 - $135,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in network operations, troubleshooting, and maintenance, with a strong focus on security compliance and customer support. Proficient in managing WAN and LAN infrastructures, utilizing advanced network monitoring tools, and ensuring continuous connectivity across various classification levels.

Highest-signal resume keywords

Network TroubleshootingCisco InternetworkingSecurity+ CertificationWAN/LAN Equipment InstallationNetwork Operations Center Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network ConnectivityWAN Circuit TroubleshootingRouter and Switch ConfigurationFirewall ACL ManagementVoIP ConfigurationCryptographic Device ConfigurationCisco IOSIP AddressingOSI Model KnowledgeNetwork Performance Monitoring

Soft Skills

Critical ThinkingCustomer CommunicationProblem Solving

Tools & Technologies

SolarWindsProtocol AnalyzersNetFlowSniffersASA Firewalls

Certifications & Qualifications

Security+ CertificationCCNP Certification

Industry Keywords

Department of Defense Security Technical Implementation GuidelinesNavy Enterprise Tactical Training NetworkInformation Assurance ComplianceNetwork Operations and Security CenterNSA Type 1 Cryptographic Devices

Tech Stack

Tools & technologies

FirewallsiOSSwitchingVoIP

About the role

Key responsibilities & impact

Operate, maintain and troubleshoot network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN)
Support operation and maintenance of multiple networks across different classification levels
Ensure continuous network connectivity for customers and sites
Troubleshoot WAN circuits, equipment failures, router and switch configurations, firewall ACLs, VoIP registrations/configuration, cryptographic device configurations and keying material
Coordinate with Navy, DISA and commercial circuit providers for implementation and troubleshooting
Maintain Information Assurance compliance through IOS upgrades, network device configuration changes and firewall ACL verification/changes
Support remote sites in restoring network failures
Work within the Network Operations and Security Center supporting the Navy Integrated Training Environment

Requirements

What you’ll need

9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience
Security+ or equivalent certification required
Must currently hold and be able to maintain a US Secret security clearance
Experience installing and troubleshooting WAN and LAN network equipment and circuits
Strong experience monitoring, maintaining and troubleshooting ASA firewall ACLs
Ability to troubleshoot network issues at the protocol/packet level using sniffers, protocol analyzers, NetFlow, logging, etc.
Strong technical network troubleshooting and critical thinking skills
Strong knowledge of Cisco Internetworking, IP addressing, switching, routing and Cisco IOS
Strong knowledge of IP networking fundamentals, OSI model and frame/packet structure
Experience in a network operations center environment, including help desk, customer communication, trouble ticketing and issue resolution
Experience with Department of Defense Security Technical Implementation Guidelines
Experience with network and performance monitoring tools such as SolarWinds
Experience with network security technologies including firewalls, VRFs and port-security/802.1x
Familiarity with Cisco VoIP, PoE switches and Call Manager
Experience with NSA Type 1 cryptographic devices and keymat, particularly KG-175D and KG-75
Must be willing to work periodic shifted schedules including evening, night and weekend
Preferred: Bachelor’s degree in Computer Science, Information Systems or related discipline; educational requirements may be adjusted or waived for applicable work experience
Preferred: 7+ years demonstrated experience in network operations and support
CCNP Certification or equivalent strongly preferred
Adequate visual acuity and manual dexterity for the requirements of the Software Engineer family

Benefits

Comp & perks

Best-in-class medical, dental and vision plan choices
Wellness resources
Employee assistance programs
Savings Plan Options (401(k))
Financial planning tools
Life insurance
Employee discounts
Paid holidays and paid time off
Tuition reimbursement
Early childhood and post-secondary education scholarships
Competitive benefits
Valuable educational and training programs for continual career growth
Bonus/other non-recurrent compensation may occasionally be offered for qualified positions