Systems Administrator

Company: GD Information Technology
Location: Springfield
Posted on: April 2, 2026

Job Description:

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Information Technology (IT), Linux, System Administration Certifications: CompTIA Security CE | CompTIA - CompTIA Experience: 1 years of related experience US Citizenship Required: Yes Job Description: At GDIT, people are our differentiator. As a Systems Administrators you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Administrators with Linux and Windows Infrastructure experience to manage and maintain mission-critical operational IT systems and mission applications in Springfield, Virginia. HOW A SYSTEMS ADMINISTRATORS WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team that provides IT Systems Administration support to global real-time operational activities. Critical thinking and troubleshooting skills are essential to resolving operational problems and clear communications and briefing skills are essential when communicating with the team, its users, and individuals in leadership roles. You must be willing/able to work core hours between 6:00 am to 6:00 pm during the week and participate in on-call rotation for after-hours support. Responsibilities: Provides Tier II support of IT infrastructure systems and custom mission applications based on a mixed Linux and Windows environment. Create, manage, and maintain accounts and group membership in Active Directory, LDAP, TACACS, KVM Experience managing Windows-based virtual server environments. Hands-on working knowledge of RedHat 5 & 7 along with Windows server 2008, 2016, and Windows 10 operating systems in physical and virtual environments Responsible for pro-active systems monitoring and evaluation of environments using Nagios and the documentation, resolution, or escalation of any problems discovered. Responsible for daily backup monitoring and troubleshooting using Symantec NetBackup version 8. Experience with Linux and Windows patching in an operational environment Ensure all Linux and Windows-based systems are running current versions of antivirus software with current virus definition files; Experience with ClamAV and Windows EPO is a plus. Ability to work with systems engineers and factory support for troubleshooting and resolution of system anomalies. Participates in special projects as required. Education Technical Training, certifications, degree, or the equivalent combination of education or work experience. 1 years of experience. Qualifications Must have Active TS/SCI with Polygraph and must be willing able to upgrade to higher level polygraph. Experience installing and configuring various COTS products. Experience providing physical and virtual support, maintenance, and security for Red Hat (RHEL 5 & 7), Sun Solaris, Windows Server 2008 & 2016, and Windows 7/10 Desktop Experience with Nagios, Active Directory, NetBackup. Experience with Authentication and Account Management (Active Directory, DNS, LDAP, TACACS, Local, KVM)) Experience with virtualization (VMWare, ESXi, VCenter) Experience with SAN (EMC, NAS/DAS) Hardware experience: servers, workstations, peripherals, tape robots Database experience (Oracle, SQL Server). Would be Nice to Have: Prior Real-time operations/mission systems experience Red Hat Certification Automation Concepts (Puppet) Experience with Splunk, WebLogic, High-Speed Guards, F5 Load Balancers Familiarity with Cisco switches and firewalls Experience with SQL database queries and troubleshooting Tape Library/ Backups (Symantec NetBackup) Scripting and coding experience (Bash, PowerShell, Python). WHAT YOU’LL NEED TO SUCCEED: ? Education: Technical Training, certifications, degree, or the equivalent combination of education or work experience. ? Required Experience: 1 years’ experience ? Security Clearance Level: TS/SCI with polygraph ? Must be DoD 8570 IAT Level II Requirement- Security CE ? Location: Springfield, VA ?US Citizenship Required GDIT IS YOUR PLACE: ? 401K with company match ? Comprehensive health and wellness packages ? Internal mobility team dedicated to helping you own your career ? Professional growth opportunities including paid education and certifications ? Cutting-edge technology you can learn from ? Rest and recharge with paid vacation and holidays. OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. ? Growth: AI-powered career tool that identifies career steps and learning opportunities ? Support: An internal mobility team focused on helping you achieve your career goals ? Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off ? Community: Award-winning culture of innovation and a military-friendly workplace The likely salary range for this position is $72,877 - $98,599. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: None T elecommuting Options: Onsite Work Location: USA VA Springfield Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc . Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Keywords: GD Information Technology, Joplin , Systems Administrator, IT / Software / Systems , Springfield, Missouri