UC Systems Administrator

Type of Requisition:
Regular

Clearance Level Must Currently Possess:
None

Clearance Level Must Be Able to Obtain:
None

Public Trust/Other Required:
Other

Job Family:
Systems Administration

Job Qualifications:

Skills:
Communication, Enterprise IT, Information Technology (IT) Services
Certifications:
None
Experience:
4 + years of related experience
ship Required:
No

Job Description:

Systems Administrator

Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator joining our team to continue delivering unified communications for our Federal Aviation Administration customer.

HOW A SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT
Manages the functionality and efficiency of a group of UC systems running on one or more operating systems.

Key Responsibilities:

• Deploy, configure, and maintain Microsoft Windows Server systems supporting UC workloads.
• Manage core infrastructure services (Active Directory, DNS, DHCP, GPOs) critical to UC operations.

• Support hybrid identity solutions (Azure AD Connect, ADFS) and their role in Microsoft 365 and Teams.
• Maintain and troubleshoot Systems supporting Microsoft Teams, and other Windows Server system supporting UC applications.
• Maintain Virtual Desktop Infrastructure based on modern hypervisor technology.
• Maintain Server OS on hypervisors based on various solutions, ESXi, ProxMox, OpenShift.
• Script and automate provisioning, compliance checks, and monitoring tasks with PowerShell.
• Collaborate security teams and application owners to enforce technical baselines for real-time communications platforms.
• Ensure high availability and disaster recovery preparedness of UC-supporting infrastructure.
• Maintain detailed technical documentation for systems, integrations, and change controls.

Security & Compliance Responsibilities:

• Ensure compliance with corporate security policies, industry standards (e.g., CIS and STIG).
• Apply OS and application hardening in accordance with organizational baselines and best practices (e.g., CIS Benchmarks, DISA STIG).
• Participate in vulnerability scanning and remediation efforts across UC-supporting Windows systems.
• Implement and manage patch management processes to ensure timely remediation of security vulnerabilities.
• Monitor privileged access and enforce least privilege across UC and infrastructure systems.
• Manage TLS/SSL certificates, PKI infrastructure, and secure communications configurations for UC applications.
• Assist with incident response, root cause analysis, and containment of security events related to Windows-based UC infrastructure.

WHAT YOU'LL NEED TO SUCCEED:
Education:

• Associate's degree in Information Technology or related field, or equivalent experience.

Required Experience:

• 4+ years of experience supporting enterprise Windows Server environments in a production context.

Required Technical Skills:

• Proficient in Active Directory, PowerShell, and Windows infrastructure services.
• Understanding of basic security frameworks and hardening guidelines (e.g., STIG, CIS, NIST 800-53).
• Experience with patch management, endpoint protection, and change control in regulated environments.

Security Clearance Level: Public Trust (Agency Specific)
Preferred Skills: Gov, DoD, FAA environment experience

Location: On Customer Site - OKC, OK

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

The likely salary range for this position is $59,500 - $80,500. 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:
Less than 10%

Telecommuting Options:
Onsite

Work Location:
USA OK Oklahoma City

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.

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gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans