Senior Systems Administrator - TS/SCI Cleared

GDIT is seeking a Windows Systems Administrator with an active TS/SCI eligible clearance for a position in Arlington, VA. This role supports a small office (under 100 personnel) and requires Tier 1-3 system administration skills, along with other duties as assigned. The position is part of a dispersed team providing remote helpdesk support in an Active Directory mixed physical/virtual environment. Essential personnel status may require recall with little or no advance notice.

About the Role

This position provides direct infrastructure support on-site and administers Defense Information Security Agency (DISA) networks. Work is primarily conducted during normal business hours but may occasionally require after-hours, weekend, or local/CONUS travel.

Responsibilities

• Provide Tier I, II, and III system administration support.
• Monitor authentication, email, file/print servers for errors.
• Perform customer service tasks such as resetting, enabling, archiving, or unlocking accounts.
• Set up workstations for new employees and assist users with scanning and printing.
• Maintain computer hardware, software, and peripheral devices.
• Create, disable, or archive user accounts according to approved requests.
• Maintain Active Directory accounts, groups, and permissions.
• Provide VTC support on multiple networks as needed.
• Assist with accounting for systems on IT hand receipt.
• Report network outages and monitor trouble tickets.
• Complete WSUS updates and re-image desktops/laptops as needed.
• Update accountability of office systems at dispersed sites.
• Update software on deployable laptops and test new desktop images for functionality prior to deployment.
• Assist with installation of network cabling.

Requirements

• Thorough knowledge of Microsoft Windows 2016 Server, Microsoft Exchange Server 2016, and Microsoft Windows 10 OS administration and associated hardware.
• Working knowledge of LAN/WAN technologies, data backup technologies, and COMSEC integration (preferred).
• Familiarity with security policy/manuals and other guiding policy documents.
• Ability to work in a dynamic environment and interact effectively with DOD, military/civilian personnel, and industry partners.
• Working knowledge of Microsoft Office (Word, PowerPoint, Excel).
• High degree of originality, creativity, and initiative with minimal supervision.
• Must be able to lift up to 40 lbs.
• U.S. citizenship required.
• Active TS/SCI clearance eligibility required to start.
• Security+ certification required.

Qualifications

• Bachelor’s degree in a related field preferred.
• Minimum of 5 years of relevant experience.

Benefits

• 401K with company match.
• Comprehensive health, dental, and vision plans, including options with Health Savings Accounts.
• Paid time off, including vacation, sick, personal time, holidays, parental leave, military leave, bereavement, and jury duty.
• Short- and long-term disability, life, accidental death and dismemberment, personal accident, critical illness, and business travel accident insurance.
• Internal mobility team dedicated to career growth and professional development.
• Paid education and certifications.
• Cutting-edge technology and learning opportunities.

Pay

The likely salary range for this position is $93,662 – $115,000, depending on experience, geographic location, and contractual requirements.

Schedule

• Full-time, 40 scheduled weekly hours.
• Primarily normal business hours, with occasional after-hours, weekend, or on-call work.
• Onsite work location in Arlington, VA.