Senior Systems Administrator

Description

Leidos is seeking a System Administrator for a technical development program supporting the Sponsor's Attribute Services within the IDAM/ICAM space.As a System Administrator on this program, you will design, develop, implement, and maintain a Cloud-Native Service architecture that software development teams can leverage to use cloud capabilities. This role works directly with implementation teams to provide technical guidance and implementation priorities related to cloud implementation. This role requires supporting an on-call rotation to ensure mission critical services remain operational 24/7/365. Rotation is typically to be on-call 1 full calendar week every 2 months.

Primary Responsibilities

• This role provides technical leadership and delivers an innovative product, service, or a combination of products and services that address a customer's specific requirements.

• Support the development of enterprise software solutions within AWS.

• Duties include developing innovative approaches and solutions, using non-quantitative tools and guidelines from past experience.

• Security Patching

• Support of Servers in an AWS environment

• Provides execution guidance and practical engineering support to mission teams

• Ensures the mission critical application remains operational 24/7

• Supports a COTS service that provides attribute data via an LDAP interface to hundreds of various Sponsor systems

Required Qualifications

• Active TS/SCI with Polygraph

• BS degree and 12+ years of relevant experience. Additional experience in lieu of degree

• Must be an expert in using Linux-based operating systems

• Must have strong Bash skills

• Must have experience with security accreditation process

• Must have experience with the Cloud / Amazon Web Services

• Must be able to support System Administration/Privileged Access duties including an on-call rotation for a week approximately every two months

• Experience with Elastic tools (Elasticsearch, Logstash, Kibana, and Beats)

• Experience in Cloud Technologies and infrastructure -as-code concepts

• Understanding of aspects of architect and design enterprise cloud solutions and AWS

• Excellent oral and written communications skills

• Detail-oriented mindset

• Experience interacting with cross functional project teams including Software Development, System Engineering/ Verification and Validation, Security, Compliance and Quality Assurance

• Experience working in Agile environments

• Experience working with DevOps CI/CD related technologies (Github, Jenkins, Puppet, Docker, Rundeck, etc.)

• Experience with AWS Console, CLI, and manage services utilizing cloud services to build infrastructure as a code in an automated fashion

• Ability to read and perform complex software and infrastructure deployment instructions

Desired Qualifications

• Container-related certification

• Certified Kubernetes Application Developer (CKAD) certification, demonstrating expertise in designing, building and running applications on Kubernetes

• Experience working with / handling Highly Sensitive Data

• Experience with LDAP technologies

• Minimum of one AWS Certification from the AWS Associate level (AWS Certified Architect Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate)

• 3+ years of C2S experience

• Cloud formation

• Managing complex Sponsor relationships and requirements gathering

• Experience with IAM / IdAM / ICAM delivery systems, Authentication, Authorization, and/or Attributes

• Experience with Tomcat

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

October 8, 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 $116,350.00 - $210,325.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. 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 at .

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 Leidos.com 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 View email address on click.appcast.io .

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 Non-Discrimination

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.

REQNUMBER: R-00168452

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.