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.

With that in mind, in an abundance of caution, we are canceling all face to face career events, such as job fairs and open house events. In the coming days and weeks, we will be hosting career events virtually, using our online chat tools so that we may continue our hiring practice safely and securely. You can find available virtual career events at

We are using telephone meetings and online chats via Brazen to conduct interviews and hiring discussions, and we are offering options for video interviews so that you can have a virtual face to face meeting with your potential new leader. We do not conduct interviews or extend offers via text or chat based social media, such as WhatsApp or MySpace.

Leidos will never ask you to provide payment-related information at any part of the employment application process, nor will Leidos ever advance money as part of the hiring process. And Leidos will communicate with you only through emails that are generated by automated system. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to Chris Scalia, Leidos’ Senior Vice President of Talent Acquisition, at [email protected].

As a company, as a country, as a world, we have confronted challenging moments before. We are confident that, guided by our values and the strength of our community as well as the commitment we have to the important work we do each day, we will find our way through this time together. We will do this with the care and concern for one another and the common good that defines. Please keep those impacted by the virus in your thoughts.

Close Window
Join our talent network

Job #: R-00058229
Location: Centennial, CO
Category: Network Administration and Ops
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: No
Clearance: Public Trust
Referral Eligibility: Ineligible
Group: Civil

Share: mail twitter linkedin


Job Description:

Leidos is a Fortune 500™ company aimed at embracing and solving some of the world’s most pressing challenges. Through science and technology, Leidos makes the world safer, healthier and more efficient.

Our Civil Group offers an array of exciting career opportunities for the best IT, energy, logistics and engineering professionals. 

Due to contract requirements, U.S. Citizenship or U.S. Permanent Resident status is required.

Leidos is seeking a Senior Systems Administrator to support the United States Antarctic Program (USAP). This is an exciting opportunity to apply your experience to support our customer’s mission.

This position is a senior member of the Leidos - Antarctic Support Contract (ASC) Information Technology & Communications (IT&C) Data Systems team responsible for installing and maintaining an efficient working environment for a complex network of core production servers supporting the USAP mission and objectives. The position may have the opportunity to deploy, on a temporary assignment, to Antarctica as determined by management.

Job Duties & Responsibilities:

  • Analyzes, designs, specifies, documents and implements communication system requirements to support the distributed functionality of a software engineering environment.
  • Researches issues to determine if problem may be resolved using predefined procedures.
  • Designs, engineers and implements associated projects.
  • Responsible for providing day-to-day System Administration to directly support USAP enterprise network systems.
  • Responsible for installation, configuration, administration, upgrade, migration, and system security of a multi-platform environment which includes Linux, Microsoft Windows, and VMWare systems.
  • Works with other groups (Engineering, Architecture, Client Services, Vessel IT, Security, etc.) to help establish the standards of system architecture, data communications, and system security; disseminates those standards to USAP for program wide compliance.
  • Maintains documentation of software and hardware supported in the USAP environment for server level computing activities and disseminates this to other System Administrators and support staff throughout USAP IT&C.
  • Application of security settings and other commercial best practices such as DISA STIGS.
  • Responsible for the backup of data, including automatic backup routines, testing data integrity, and offsite storage of media.
  • Makes recommendations to purchase hardware and software, coordinates installation, and provides backup recovery.
  • Engages in professional development to stay current with the demands of the position.
  • Required to provide 24x7 support and share responsibility for on-call rotation as required by manager.
  • Provides coaching and reviewing the work of lower level technical staff.
  • Performs other duties as required.

Required Qualifications:

  • BS/BA in Engineering, Computer science or related field and 4+ years of prior relevant experience; additional years of experience will be considered in lieu of degree.
  • Outstanding customer service and interaction skills, as well as excellent verbal and written communication skills.
  • Strong documentation skills.
  • High level of initiative and dedication, and an ability to work independently once given general direction.
  • Experience working with virtual environments using VMware or similar.
  • Strong Linux system administration of RHEL servers.
  • Shell scripting experience with bash, python, and power shell.
  • Knowledge of Veeam products.
  • Experience with HP Server and Storage Area Networks (SAN).
  • Red Hat Satellite administration
  • Experience with Ansible.
  • Security and patch management experience.
  • Must have demonstrated ability to be a team player and willingness to lend a hand with any project.

Preferred Qualifications:

  • Experience with Elastic Stack.
  • Microsoft 365 / Azure experience.
  • Microsoft Windows Server 2012/2016/2019 server administration skills.

Physical Requirements:

  • Temporary deployment to Antarctica may be required in this position at discretion of management. If required, the individual in the position must successfully complete the physical and dental examinations as required by the National Science Foundation (NSF).

Driven by our talented workforce, the Integrated Missions Operation builds trust through an array of energy-related IT, environmental science and engineering solutions to meet our customers’ needs. 

Key Programs and/or Capabilities: 

Leidos is growing! Connect with us on LinkedIn and Facebook
We value and support the well-being and mobility of our employees with competitive benefit packages, complementary e-learning training, work-life flexibility, an exciting External Referral Program, and a diverse, inclusive and ethical work place. In fact, in 2020, Leidos was ranked as one of the “World's Most Ethical Companies” by the Ethisphere Institute for the third consecutive year. 

External Referral Bonus:


External Referral Bonus $:

Potential for Telework:


Clearance Level Required:

Public Trust


Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Network Administration and Ops

Pay Range:

Pay Range $65,000.00 - $100,000.00 - $135,000.00

About Leidos

Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company’s 40,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $12.30 billion for the fiscal year ended January 1, 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

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [email protected].

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.

   Save Job Saved

Talent Community

Join our Talent Community to create a profile, enabling a streamlined application process and to help our recruiters better understand your areas of expertise and interest.

Join our Talent Community