Systems Administrator

Mission Technologies, a division of HII

Systems Administrator overseeing operations of computer network systems in classified environments. Managing workstations and servers while ensuring strict security protocols for military clientele.

Posted 6/4/2026full-timeVirginia Beach • Virginia • 🇺🇸 United StatesMid-LevelSenior💰 $65,592 - $90,000 per yearWebsite

Tech Stack

Tools & technologies

DNSFirewalls

About the role

Key responsibilities & impact

Maintains smooth operation of multi-user computer systems in classified SIPR environment, including coordination with network administrators
Installs and configures hardware, software, and system upgrades for classified systems
Manages network accounts and enforce network security protocols specific to classified environments
Manages Active Directory, Group Policies, DNS, DHCP, File Server, Key Management Server, and other core IT services.
Implements and maintains network security tools including firewalls, anti-virus, and intrusion detection services
Sets up administrator and service accounts while maintaining system documentation
Tunes system performance and install system-wide software
Allocates and manages mass storage space
Provides backup and recovery coordination
Trains staff on software applications applicable to their positions
Monitors system configuration (hardware and software)
Develops and monitors policies and standards for allocation related to the use of computing resources
Evaluates vendor products and make recommendations for hardware and software purchases
Provides technical assistance to customers with information technology issues
Maintains detailed documentation of system configurations, procedures and changes

Requirements

What you’ll need

Bachelor's degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems with 3 years of professional experience in systems administration OR Master's degree in related field with 1 year of relevant experience
Security+ or other Cyber Workforce (CWF) certification(s) required
Current or Active U.S. Secret clearance (must maintain throughout employment)
Prior experience performing systems administration in a classified space
Security+ or other certifications allowing personnel to maintain Cyber Workforce (CWF) credentials
Experience with MS Windows OS and Red Hat OS
Experience supporting the installation, configuration and maintenance of physical and virtual servers
Familiarity with STIGs, Nessus, and the RMF process
Strong analytical and problem-solving abilities.
A+ certification and/or related hardware/software experience.

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

systems administrationnetwork securityActive DirectoryGroup PoliciesDNSDHCPfirewallsanti-virusintrusion detectionbackup and recovery

Soft Skills

analytical abilitiesproblem-solvingtrainingtechnical assistance

Certifications

Bachelor's degreeMaster's degreeSecurity+Cyber Workforce (CWF) certificationA+ certification