Junior Systems Administrator - Secret or TS Clearance

S2i2 Inc; Arlington (VA); On-site; USD 50,000 - 53,000; Full time

Job summary

S2i2 Inc. is seeking a Junior Systems Administrator in the Pentagon area to support Windows server and workstation operations in a DoD environment. You will configure operating systems, manage Active Directory, DNS, DHCP, and assist with virtualization and monitoring.

Applicants must hold an Active Secret or Top-Secret clearance and a DoD 8570 IAT Level II cert. The role requires 3+ years of relevant experience and on-site work in Arlington, VA.

Qualifications

• Active Secret or Top-Secret clearance.
• DoD 8140 / 8570 IAT Level II certification (Security+ CE or higher).
• BS in Information Technology or an engineering field.
• Minimum 3 years of experience installing, configuring and supporting Windows OS on servers/workstations.
• Knowledge of network protocols, IP addressing and virtualization concepts.
• Experience with Active Directory, DHCP and DNS administration.
• Experience applying patches and maintaining DoD STIG compliance.
• Ability to work nights or weekends if needed.

Responsibilities

• Perform day-to-day operations and maintenance including audit log reviews and backups.
• Apply security updates and maintain STIG compliance on all devices.
• Maintain system and process documentation.
• Provide technical support for PBM network workstations and virtual terminals.
• Analyze and resolve user problems and perform preventive maintenance.
• Provide installation support for network systems applications.
• Monitor and maintain WhatsUp Gold monitoring.

Skills

Network protocols

Windows administration

Active Directory

DNS/DHCP administration

Education

BS in Information Technology or Engineering

Tools

SCCM imaging

WhatsUp Gold

VMware virtualization

Remedy ITSM

Job description

Job Title: Junior Systems Administrator

Location: Pentagon, Arlington, VA On-Site

Clearance: Active Secret or Top-Secret Clearance

Salary: $50K - $53K

Application Deadline: November 30, 2026

Description

The Junior Systems Administrator supports day to day operations and maintenance of Windows server and workstation systems for the DISA Joint Service Provider Platform Services environment. The position installs and configures Windows operating systems, supports network protocols, IP addressing and virtual computing, assists with the administration of networking equipment, and works with the team to analyze and resolve user problems and perform preventive maintenance in a 24X7 operational environment.

Responsibilities

• - Perform day-to-day operations and maintenance, including review of audit logs, creation of data file backups, and maintenance of the network equipment inventory.
• - Apply server and workstation security and maintenance updates; maintain virus definitions, patch versions and DoD STIG compliance levels on all network servers, workstations and laptops.
• - Maintain system configuration documentation and system process and procedure documentation.
• - Provide technical support and implementation for PBM network workstations and virtual terminals.
• - Work with other team members to analyze and resolve user problems and perform preventive maintenance.
• - Provide installation support for network systems applications.
• - Monitor and maintain WhatsUp Gold network monitoring software.
• - Create and maintain workstation and laptop images in SCCM.
• - Manage Active Directory, DHCP and DNS.
• - Support DoD Information Assurance Risk Management Framework (DIARMF) activities as needed.
• - Follow the assigned shift schedule and shift turnover procedures.

Required qualifications

• Active Secret or Top-Secret clearance.
• DoD 8140 / 8570 IAT Level II certification (Security+ CE or higher), current and verified before submission.
• BS in Information Technology or an engineering field.
• Minimum 3 years of experience installing, configuring and supporting Windows operating systems on servers and workstations.
• Working knowledge of network protocols, IP addressing and virtual computing concepts.
• Hands on experience with Active Directory, DHCP and DNS administration.
• Experience applying patches and maintaining DoD STIG compliance.
• Able to work the assigned shift, including nights or weekends if the vacancy is on a non day shift.

Preferred qualifications

• Experience in a DoD or DISA operations environment.
• Experience with SCCM imaging and WhatsUp Gold or comparable monitoring tools.
• Experience with VMware or other virtualization platforms.
• Experience with an enterprise ITSM ticketing system such as Remedy.

About S2i2

S2i2 is a growing company with a supportive and inclusive culture and many opportunities for professional development and growth. We have created a supportive, family-like work environment where contributions are recognized. Regular company updates and open lines of communication with leadership fosters collaboration within the company.

We are proud to include:

• Support to achieve professional certifications and degrees
• Leadership that is accessible to all employees
• Regular company updates
• Client networking social engagements
• Monthly team-building activities (past examples: Top Golf)
• Supporting our community - including veterans

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.