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
Skip to main content

Job #: R-00090756
Location: Adelphi, MD
Category: Software Engineering
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: Yes, 50%
Clearance: None
Referral Eligibility: Ineligible
Group: Civil

This job posting is no longer active.

Share: mail twitter linkedin


Job Description:

Leidos is looking for a Senior Systems Architect to serve as a subject matter expert (SME) for System Engineering and support at the Internal Revenue Service (IRS). Duties include strategy advisory, ensuring the project system is operating correctly and is engineered to handle capacity increases and potential performance enhancements; recommend how to implement new requested capabilities and troubleshoot defects in all environments. The Senior Architect will work closely with testers, developers, configuration management personnel, security experts, deployment engineers, and IRS personnel. The Senior Architect needs to be knowledgeable in network, hardware, and software architecture to support the overall infrastructure and software operations with both Commercial Off the Shelf (COTS) products and custom code.

Primary Responsibilities:

  • Provide system architecture and engineering support for the full life cycle of a system in support of performance improvements, major changes, enhancements, requested new functionality, and integrations.
  • Provide support for all infrastructure updates, upgrades, migrations, and architecture changes
  • Support development of a comprehensive Identity and Access Management (IAM) technology plan/roadmap for future upgrades, migrations, and architecture changes
  • Provide technical consultation regarding systems provisioning, systems architecture, and systems integration
  • Oversee full-lifecycle design, development, testing, and implementation of solutions that manage IRS infrastructure processes and operations, and the associated technical project management
  • Oversee technical documentation and SOP development
  • Independently perform a variety of system design and engineering tasks to include design and implementation of major enterprise systems development and integration, including supporting personnel, hardware, software, and support facilities and/or equipment
  • Function as an SME in one or more specific areas of computer system design and networking
  • Plan and perform systems engineering research, design development, and other assignments in conformance with system design, engineering, and customer specifications
  • Program Software Architect for evaluation of COTS products for use in the IRS enterprise
  • Work directly with the IRS customer and lead architect for architecture decisions, releases, schedules, and procedures
  • Design and develop web services, including security architecture solutions, and aid in design and architecture for user facing and internal services
  • Troubleshoot IAM applications to determine the root cause of issues and provide related analysis reports
  • Create, update, and maintain all project engineering-related doumentation includng design specifications, interface control documents, and user guides
  • Provide off-hour support when required

Basic Qualifications:

  • BS and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience.
  • Demonstrated strong leadership, communication, and collaboration skills
  • Proficiency in MS Office, Middleware Management, documentation, Java, JSP (HTML/XML), UML, RESTful Web Services, Cloud, Containers, DevSecOps, Oracle SQL, Linux/RedHat, Agile, Continuous Integration/Continuous Delivery (CICD), CA Identity Manager, CA Directory, CA Advanced Authentication, CA SiteMinder, 508 compliance, IBM Collaborative Lifecycle Management (CLM), Service- and Microservice-based architectures, Zero Trust Architecture
  • Experience in Cloud operations such as AWS, GCP and Azure.
  • Extensive knowledge of industry best practices as articulated by Agile development practices, as well as DevSecOps, CI/CD, automated testing, containerization, identity management, ICAM (Identity Credential & Access Management), Federation, and OIDC (OpenID Connect)
  • Demonstrated knowledge of Cloud based application development
  • Ability to be cleared by the US Government via a Minimum Background Investigation (MBI)
  • Knowledge of NIST Special Publication 800-63-3 Digital Identity Guidelines

Desired Qualifications:

  • Experience working on projects in an IRS/Treasury environment
  • Certification in Agile methodology
  • Active IRS MBI

Pay Range:

Pay Range $74,750.00 - $115,000.00 - $155,250.00

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.

Covid Guidance for the US

In order to enter Leidos facilities in the U.S. and to attend Leidos events outside our facilities, employees are required to be vaccinated for COVID-19 or maintain proof of a negative COVID-19 test within 96 hours of entry. In addition, we are receiving guidance from certain customers that onsite contractor personnel will need to be fully vaccinated to access customer facilities. If you are not vaccinated, please consider getting your COVID-19 vaccination as soon as possible. If you have any questions, please contact your Talent Acquisition POC. 

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.

Related Opportunities

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