Systems Administrator, Network Communications 2

Mission Technologies, a division of HII

Navy Integrated Training Environment System Administrator for operational and technical support on the Navy Enterprise Tactical Training Network. Ensuring reliable system availability and maintenance for military customers.

Posted 6/26/2026full-timeSan Diego • California • 🇺🇸 United StatesJuniorMid-Level💰 $72,933 - $100,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityDNS

About the role

Key responsibilities & impact

Maintain the smooth operation of servers, workstations, and supporting enterprise services
Create, maintain, and troubleshoot user accounts, security groups, permissions, and access rights within Active Directory
Configure, manage, and troubleshoot Group Policy Objects to support system security, compliance, and operational requirements
Support Windows Server administration, including server roles, features, services, and routine maintenance
Maintain DNS records, naming organization, and related system documentation to support reliable network and system operations
Perform system troubleshooting for authentication, access, server availability, workstation issues, and application or service interruptions
Support Information Assurance compliance activities, including eSTIG scanning, STIG checklist review, finding documentation, and remediation
Assist with patch management, software updates, vulnerability remediation, and system hardening efforts
Prepare or ensure that appropriate system documentation exists, including operational instructions, troubleshooting steps, and configuration records
Coordinate with network administrators, cybersecurity personnel, customers, and third-party support teams to resolve system issues and maintain operational readiness
Monitor supported systems and recommend improvements to maintain reliability, security, and performance

Requirements

What you’ll need

2 years relevant experience with a Bachelor's in a related field; 0 years experience with a Master's in a related field; or High School Diploma or equivalent and 6 years of relevant experience
Must currently possess, and be able to maintain, an active U.S. Secret security clearance
Current IAT Level II certification, such as CompTIA Security+
Hands-on experience in system administration, Windows Server administration, or enterprise IT support
Experience with Active Directory account management, security groups, permissions, and user access troubleshooting
Experience supporting Windows-based systems, workstations, servers, and related enterprise services
Strong team-oriented professional with effective communication skills, ethical judgment, and the ability to document and communicate technical issues clearly.

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
paid time off
tuition reimbursement
early childhood and post-secondary education scholarships
Bonus/other non-recurrent compensation is occasionally offered for qualified positions

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Windows Server administrationActive DirectoryGroup Policy ObjectsDNS managementsystem troubleshootingpatch managementvulnerability remediationsystem hardeningeSTIG scanningSTIG checklist review

Soft Skills

effective communicationethical judgmentteam-orienteddocumentation skills

Certifications

IAT Level IICompTIA Security+