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Operating Systems Test Engineer

Leidos Inc
$92,300.00 - $166,850.00 / yr
United States, Florida, Orlando
Feb 09, 2026

Description

TheDecision Advantage Business Area at Leidos has an opening for an experiencedOperating Systems Test Engineerto work in our Orlando, FL office.Department of the Air Force (DAF) Battle Network and supporting infrastructure.In this mission we support the Department of the Air Force (DAF) to field andoperatethe customer's Digital Infrastructure.TheOperating Systems Test Engineer will be involved inday-to-dayactivities and strategic long-term maturation of complex systems. Details are as follows:

Primary Responsibilities:


  • TheTestteamwithin the Digital Infrastructure Network Integration Lab (DI-NIL)willbe responsible formaintainingthe DI-NIL architecture and services. There are levels of support needed throughout to include RHEL, Windows, and other systems and appliancesto include structure and compliance configurations, integration with Active Directory for authentication, as well as day-to-day management and review of the architecture.

  • All systemsdestined for operation on the production network will pass through the DI-NIL for V&V testingfrom the build through configuration to service delivery.This position will work with the team to ensure alloperatingsystems meet the strict compliancerequired by DoD guidance as well as ensuringall system capabilities are configured foroptimumperformance for the underlying operating system.

  • Full documentation of builds and configurationsutilizedwithin the environment are mandatory as well as process flow documentation to ensure all required tasks are documented and repeatable.

  • The DI-NIL support effort will also include working with customers to ensure the neededoperating systems areconfigured properly and access has been configured to allow a least privilege concept during stakeholder activities within the environment.

  • Additionalduties will include backing up other personnel in support of the DI-NIL effort which is focused on Verification and Validation for the Digital Infrastructure Network.



Basic Qualifications


  • Bachelor's degree and 8+ years of prior relevant experience ormaster'sdegreewith 6+ years of prior relevant experience. Additional years will be considered in lieu of degree.

  • Secret clearance with the ability to obtain a TS/SCI clearance.

  • Demonstrable knowledgeof operating systemsconcepts and applying these concepts to Department of Defense programs.

  • Demonstrable experience in design review participation and providing customer centric input.

  • Strong written and verbal communication skills to collaborate with customer representatives, domain experts, and other systems engineers in the development of complex DoD systems.

  • Demonstrated ability toparticipatein cross-functional planning, coordination, and task execution situations involving the full spectrum of system integration activities.

  • Ability to work well with people from many different disciplines with varying degrees of technical experience.

  • Mid-level network understanding.

  • Mid-level understanding of government systems security testing (ACAS/Nessus) and remediation - ability to discuss security issues and concerns.

  • Demonstrated ability to brief technical and non-technical customers.



Preferred Qualifications.


  • 4 years ofDoD-basedsystem security testing (ACAS/Nessus) and remediationwith theability to discuss security issues and concerns.

  • Prior experience designing and deployingnetworks.

  • Prior experience withSAFeAgile implementation.

  • Demonstrated experience with Agile program execution and using agile tools (e.g.Jira and Confluence).

  • Prior experience support Department of the Air Force programs.

  • Previousexperience working on complex multi-domain systems.

  • Experience with design and validation of Cloud and Edge Computing and Network.

  • Demonstrable knowledgeoftest automation and test result analysis.

  • Demonstrable experience in network topologies tovalidatefunctionality, performance, stability and scalability of features and products.

  • Provenexpertisein creating test methodologies and writing test specifications.

  • Experience in Integration, test, verification, and validation

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:February 9, 2026

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 -

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 www.Leidos.com.

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 www.leidos.com/careers/pay-benefits.

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 LeidosCareersFraud@leidos.com.

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.

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