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-00028913-OTHLOC-PL-2D0160
Location: Baltimore, MD
Category: Systems Administration
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: No
Clearance: None
Referral Eligibility: Eligible
Group: Defense

This job posting is no longer active.

Share: mail twitter linkedin


Job Description:

The Defense Group at Leidos has a career opening for a Senior Systems Administrator (Linux) in Aberdeen, MD.

The successful candidate will perform advanced level systems administration for the High Performance Computing Modernization Program (HPCMP) at the Army Research Lab (ARL) DoD Supercomputing Resource Center (DSRC) in Aberdeen MD.  Systems include HPC hardware, firmware, operating systems, system utilities, and 3rd party software applications.

Candidate will develop policies and standards related to the use of computing resources, overall strategy, design, implementation, and operational aspects of multiple systems, operating environments, and related software; Schedule, plan, and oversee system upgrades; Develop functional requirements through interaction with end-users and coordinate with development teams on systematic enhancements or changes; Configure operating systems (Unix, Linux) and associated supporting software and utilities to optimize systems performance and systems services; Perform an analysis of the benefits and risks of implementing hardware and software updates prior to implementing changes; Validate and implement critical system patches; Administer, manage and optimize system data and databases; Coordinate with vendor OEM personnel as necessary to administer systems; Maintain classified and unclassified data storage systems; Provide user support for all computer systems; Maintain utilization, availability and performance data, and operation and maintenance logs; Perform root causes analysis when directed by the Government or when data indicate a trend requiring further analysis.

• Requires BS degree and 8 – 12 years of prior relevant experience or Masters with 6 – 10 years of prior relevant experience. May possess a Doctorate in technical domain; experience in lieu of degree optional.
•Candidate must have knowledge of HPC systems, scalable, parallel architectures, Unix workstation and server implementations, and computer graphics hardware and software; Knowledge and ability to develop systems software and scripts using conventional high level languages (C, C++), shell scripts, and web-based tools;  Ability to develop policies related to HPC systems; Ability to understand and capture computer system design, implementation, and operations requirements through interaction with users and development teams; Ability to manage user requirements, prioritize and develop project plans, manage multiple complex projects simultaneously, and communicate with and understand the requirements of scientists and engineers in the deployment of HPC solutions;  Excellent written and oral communications skills.
•Ability to obtain an Interim Secret Clearance to start, and ultimately obtain a Top Secret clearance.  Those candidates with an existing Secret or Top Secret clearance are preferred.  •Must also have a CompTIA Security+ and Linux Certification.
•DOD 8570 certification required, i.e. Security+ and OS certification such as Linux+, Red Hat, etc. 

• Knowledge of HPC users and applications that support DoD priorities. 
• Security implementations using multi-factor authentication, PKI, or Kerberos
• Ability to understand application scaling issues related to problem resolution, algorithm choice.
• Ability to manage the following Storage Architectures (including Bandwidth and Performance): SAN, SAS, FC, SATA 
• Ability to manage development of appropriate application benchmarks, analyze results and determine optimal configurations for processor type/speed, size of memory/cache, and memory interconnect fabric for customer problem domains. 

External Referral Bonus:


Potential for Telework:


Clearance Level Required:



Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Systems Administration

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 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. 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.

This job posting is no longer active.

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