Systems Specialist - Active TS/SCI w/Poly

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

System Specialist

The Systems Specialist is responsible for supporting, maintaining, and improving the organization’s IT systems and infrastructure. This role focuses on system administration, troubleshooting, and user support, ensuring that servers, applications, and related technologies are secure, stable, and performing optimally. The Systems Specialist works closely with help desk staff, engineers, and business stakeholders to resolve issues, implement changes, and support ongoing projects.

Key Responsibilities

• System Administration & Maintenance
  • Monitor, manage, and maintain servers, operating systems, and key applications.
  • Apply patches, updates, and configuration changes to systems in accordance with change management procedures.
  • Perform routine system health checks, capacity planning, and performance tuning.
• User Support & Troubleshooting
  • Provide advanced technical support for escalated issues from help desk/Tier 1 teams.
  • Diagnose and resolve system, application, and network-related problems.
  • Assist with user account management, permissions, and access controls.
• Implementation & Configuration
  • Install, configure, and deploy new systems, applications, and tools.
  • Assist in system upgrades, migrations, and integrations.
  • Document system configurations, procedures, and standards.
• Security & Compliance
  • Ensure systems adhere to security best practices and organizational policies.
  • Help implement and monitor security controls such as antivirus, endpoint protection, firewalls, and access management.
  • Participate in audits, risk assessments, and remediation activities.
• Monitoring & Reporting
  • Use monitoring tools to track system performance, availability, and capacity.
  • Respond to alerts, incidents, and outages, performing root cause analysis and corrective actions.
  • Prepare reports on system health, incidents, and improvements for management.
• Collaboration & Process Improvement
  • Collaborate with IT teams (network, security, applications, help desk) on cross-functional initiatives and projects.
  • Contribute to the development and refinement of IT processes, standards, and documentation.
  • Provide input on technology selection and system architecture improvements.

WHAT YOU’LL NEED TO SUCCEED:
● Required Experience: 5+ years of related experience
● Required Technical Skills:

• Experience with Windows and/or Linux server administration.
• Familiarity with Active Directory, group policies, and identity/access management.
• Experience with virtualization platforms (e.g., VMware, Hyper-V) and/or cloud services (e.g., Azure, AWS, M365).
• Strong troubleshooting skills across OS, applications, and basic networking.
• Knowledge of backup/restore solutions and disaster recovery concepts.
• Understanding security best practices and patch management.

● Preferred Skills (Depending on Environment)

• Experience with scripting/automation (PowerShell, Bash, Python).
• Familiarity with monitoring tools (e.g., SolarWinds, Nagios, PRTG, Splunk).
• Hands-on work with storage systems, DNS/DHCP, and other core infrastructure services.
• Exposure to ITIL practices and ticketing systems (ServiceNow, Remedy, Jira, Zendesk).

● Key Competencies

• Strong analytical and problem-solving skills.
• Excellent communication and customer service orientation.
• Ability to manage multiple tasks and prioritize effectively.

Collaborative mindset and willingness to support both technical and non-technical stakeholders

● Security Clearance Level: TS/SCI w/Poly
● Location: On-Site in Annapolis Junction, MD

● Certification Required: Comp TIA Security+ - CompTIA

● US Citizenship Required

● Shift: Sunday-Thursday 2pm-10pm

● This position is mission essential, may include work on holidays when 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

#GlobalServices

Work Requirements

Years of Experience

5 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CompTIA - Security+ - CompTIA - CompTIA

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required