System Administrator Site Lead

AECOM; Illinois; On-site; USD 89,000 - 163,000; Full time

Job summary

A leading company in defense is seeking a System Administration Site Lead for a DISA contract at Scott AFB, IL. The role involves managing technical teams, ensuring operational effectiveness, and maintaining a critical network environment. Candidates must have extensive experience with server environments and possess an active security clearance.

Qualifications

• 12+ years experience with Windows/Linux server environments.
• Current active Top Secret security clearance required.
• Expertise in VMware and VDI practices.

Responsibilities

• Manage a team of 4-5 personnel on technical issues.
• Provide technical leadership for JWICS environment.
• Maintain documentation and standard operating procedures.

Skills

Windows

Linux

VMware

Virtual Environments

TCP/IP

Education

Bachelor's degree

DoD 8570 Certification

Tools

ServiceNow

Job description

**Description**

The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Scott AFB, IL. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS).

**PRIMARY RESPONSIBILITIES:**

+ Directly report to Tier II/III Program Management on all technical and personnel concerns

+ Perform Leidos supervisory duties for a team of 5 personnel. Provide guidance and direction for personnel issues including completing performance feedback, annual reviews, salary recommendations, corrective action, disciplinary actions, submission for awards and recognition, etc…

+ Provide input on budget and resource assets.

+ Assisting in hiring processes for multiple labor categories as required

+ Provide effective technical leadership for a team managing and sustaining JWICS environment.

+ Provide support for ticket escalation on major outages.

+ Be able to work in a rapid paced environment at times.

+ Provide strategic leadership and input with development partners to ensure customers understand emerging needs and technological advancements.

+ Lead the onboarding and standup of new enclaves and environments as needed.

+ Interacts with Tier III support and evaluates vendor products.

+ Develops and monitors policies and standards for allocation related to the use of computing resources.

+ Creates, maintains, and implements detailed documentation and maintains standard operating procedures.

+ Application of security settings and other commercial best

+ Provides coaching and reviewing the work of lower-level technical staff.

**BASIC QUALIFICATIONS:**

+ Bachelor's degree and/or 12+ years of overall related experience with a Windows/Linux server environment. Additional experience, education and training may be considered in lieu of degree.

+ Windows, Linux, and Solaris Server experience with an expertise in at least one.

+ Extensive experience working with virtual environments using VMware and VDI practices

+ Currently possess an active Top Secret security clearance with the ability to obtain a Top Secret/SCI is required for this position.

+ Currently possess DoD 8570 certification at least IAT level II, e.g. Security+ce.

**PREFERRED QUALIFICATIONS:**

+ Integration of cyber security tools and systems with network performance, trouble ticketing, and security subsystems highly desired.

+ Candidates with a thorough knowledge of networking principles to included TCP/IP a plus.

+ Experience with a ticketing system such as ServiceNow

+ ITIL v3 Foundation certified

**Original Posting:**

June 11, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

**Pay Range:**

Pay Range $89,700.00 - $162,150.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

REQNUMBER: R-00160837

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.