Systems Administrator, Senior

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

Systems Administration

Job Qualifications:

Skills:

Computer Systems, Linux, Network Infrastructures, Operating System: Unix/Linux and Windows, Server Administration

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Transform technology into opportunity as a Systems Administrator Advisor 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 Advisor you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator Advisor joining our team to ensure 24/7 availability of the Defense Threat Reduction Agency's Operational Information Management System (OIMS).

HOW A SYSTEMS ADMINISTRATOR ADVISOR WILL MAKE AN IMPACT

In this role, you will be responsible for Red Hat Linux Server Administration, ensuring server stability, optimal performance, and security. Your expertise in system monitoring and performance optimization will help us identify and resolve potential issues proactively, maintaining a reliable and efficient infrastructure. By adhering to security guidelines and conducting audits, you will play a crucial role in safeguarding OIMS data and applications, ensuring compliance with industry standards. Your collaboration with the Platform Engineer will further contribute to the design and maintenance of our platform infrastructure, driving automation and efficiency.

WHAT YOU’LL NEED TO SUCCEED:

• Education: Technical Training, Certifications: Minimum CompTIA Security+ or DoD 8570 IAT II compliant certification.

• Required Experience: 5+ years of related experience

• Experience with Plan of Action and Milestone (POA&M) development and updates.

• Familiarity with Navy Evaluate STIG tool and implementing DoD DISA Security Technical Implementation Guides (STIGs).

• Comfortable with system hardening, patching, and performance tuning.

• Ability to document configurations, write SOPs.

• Experience supporting ATO (Authorization to Operate) packages or audits in a DoD context.

• Experience with Linux (preferred) and Windows Server.

• Required Technical Skills: Solid understanding of networking principles and protocols. Strong scripting skills (e.g., Bash, PowerShell) for task automation and systems management.

• Familiarity with MS Azure preferred.

• Ability to perform system audits with and assessments to identify potential STIG violations and security weaknesses, remediate findings, and update STIG configurations based on the latest guidance and security updates.

• Familiarity with MS Office Suite

• Additional certifications such as Linux Professional Institute Certification (LPIC), AWS Certified SysOps Administrator, or Microsoft Certified Azure Administrator, are advantageous but not mandatory.

• Security Clearance Level: Current TS/SCI security clearance (mandatory)

• Required Skills and Abilities: Excellent problem-solving and communication skills. Cross-team collaboration with developers, engineers, and security staff, and recommend solutions in a dynamic, fast-paced, and evolving work environment.

• Location: On Customer Site with some remote work with customer approval.

• 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

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The likely salary range for this position is $119,000 - $161,000. 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:

Hybrid

Work Location:

USA VA Falls Church

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 30 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.

We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans