To our valued Leidos candidates:

Coronavirus is on everyone's mind with the effects being felt around the world. The markets are volatile, and we're all concerned for the health and safety of our families, friends, and colleagues. Please know that we're taking all necessary measures to safeguard our employees, customers and the communities in which we live, including following all recommended best practices around social distancing.

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Job #: R-00088627
Location: O'Fallon, IL
Category: Network Administration and Ops
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance: Secret
Referral Eligibility: Eligible
Referral Bonus Amount: $3000
Group: Defense

This job posting is no longer active.

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Job Description:

Leidos is seeking a VMWare and Windows Systems Administrator in Scott AFB, IL who can perform Windows Server and Desktop administration, VMware administration, scripting, computer hardware configuration, network device
administration, and has working knowledge of IA Security functions / lockdowns and mitigations / and DoD
STIGs. The Systems Administrator will work in both pre-production lab and production environments supporting fast paced and technically challenging systems deployment, maintenance, and integration projects.

Primary Responsibilities:
The candidate will perform administration tasks throughout system lifecycle sustainment support timelines
including integration, testing, documentation and demonstration. The candidate will administer and test systems
and their associated underlying service delivery platforms in accordance with applicable DoD and International
standards and policies; assist maintaining the code and documentation repository for each software release; and
provide IA implementation and sustainment support during software upgrades and patch developments,
integration, analysis, testing, certification, fielding, and operations.

  • Set up, manage and administer server environment including Windows servers and clients, VMware ESXi host and sandbox environments

  • Analyze system faults, troubleshoot and run diagnostic tests on operating systems and hardware to detect problems

  • Evaluate and maintain system documentation and training materials

  • Perform technical analysis of network challenges and problems and be able to implement technical solutions

  • Research, evaluate, integrate, and modify Commercial off the shelf (COTS) hardware with COTS and custom software

  • Work independently and as part of a project team responsible for installing, configuring, integrating, and testing systems hardware and software and related enterprise IT and communications systems

  • Consult and evaluate mission requirements and test, integrate and implement associated solutions and install scripts and software during various phases during testing

  • Work closely with the GSMO-II and customer Information Assurance teams to ensure that all systems are compliant with DoD and coalition IA requirements

Basic Qualifications:

  • Bachelor’s Degree with 2 to 4 years of experience in systems administration and scripting; Specific experience, education and training may be considered in lieu of degree.

  • Current U.S. Government Secret security clearance

  • Current DoD 8570 compliant certification

  • Experience administrating Windows, VMware and/or sandbox environments

  • Excellent communication skills – both oral and written

  • Collaborates well with internal and client project team members

Preferred Qualifications:

  • For long-term prospects, a broad background sysadmin, network administration, operation of secure IT systems and networks, and IT/IA security is preferred.

  • Experience supporting virtualized environments running on Cisco UCS Chassis.

  • Experience in scripting (PowerShell, Windows command line, BASH, etc.)

  • General knowledge of networking (IP Addresses, Gateways, ports, protocols, routers, switches, firewalls)

  • Possess IT Computing Environment certifications such as:

  • MCSE or other Microsoft certification (e.g. Windows Server 2019)

  • VMware Certified Professional


Pay Range:

Pay Range $60,450.00 - $93,000.00 - $125,550.00

The Leidos pay range for this job level is a general guideline only and 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.

About Leidos

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 44,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $13.7 billion for the fiscal year ended December 31, 2021. For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

This job posting is no longer active.

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