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.

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Job #: R-00051732
Location: Baltimore, MD
Category: Software Development
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance: Public Trust
Referral Eligibility: Eligible
Group: Health

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Job Description:

Leidos is seeking a Senior webMethods Developer for Baltimore location.

The Senior webMethods Developer is an accomplished technical leader, proactive customer-focused advocate, a team player with substantial software engineering experience. The ideal candidate will have a good foundation with webMethods Designer, Mainframe Integration (EntireX, CONNX, ApplinX), Java EE platform, Microservice architecture, REST, and SQL/Data Modelling.

The candidate must demonstrate a willingness to learn new innovative technologies and overcome technical challenges in a fast-paced environment. The candidate will play a key role in modernizing legacy applications leveraging API-first strategies, cloud computing, or DevOps.

Day to Day Duties:

The candidate will provide hands-on experience with enterprise software development, API integration, implementation, test automation, and SOA/Microservice architecture to a cross-functional software development team.


  • Architect, design, code, and implement next-generation APIs using software engineering best practices in the latest technologies:
    • API development (REST, JSON, Microservice architecture)
    • Mainframe Integration through API (webMethods Applinx, EntireX, CONNX)
    • DevOps (Jenkins, SonarQube, UrbanCode, webMethods Deployer)
  • Provide software expertise in one or more of these areas: Java/JMS integration, Legacy mainframe integration, service oriented architectures (SOA), security (JWT/oAuth/API Key)
  • Investigate and repair application defects regardless of component: business logic, integration server, integration interfaces, or database (PL/SQL and Data Modeling).
  • Design and develop integration solutions using WebMethods product suite.
  • Advice/mentor on design and implementation of design patterns and industry best practices to develop secure robust integration solutions.
  • Brief management, customer, team, or vendors using written or oral skills at appropriate technical level for audience
  • All other duties as assigned or directed


  • Bachelor's Degree in Computer Science, Mathematics, Engineering, or a related field
    • Master’s or Doctorate’s degree may substitute for required experience
    • 7+ years of experience with full lifecycle development and integration solutions
    • 4+ years of experience with Java API analysis, design, and development
    • 4+ years of experience with webMethod development and integration
    • 1+ years of combined experience with legacy Mainframe integration using webMethods Applinx, EntireX, CONNX
  • Experience in an Kanban team, preferably Scaled Agile Framework (SAFe)
  • U.S. citizen or legal right to work in the United States without sponsorship

Key Required Skills: webMethods Designer, Mainframe Integration (EntireX, CONNX, ApplinX), Java EE, relational databases (PostgreSQL, DB2)

Required Skills:

  • Solid experience with Software AG WebMethods 10.x
  • Knowledge and experience building RESTful and SOAP services in webMethods
  • Knowledge and experience in EntireX, CONNX and ApplinX for building mainframe integrations.
  • Development experience in building integrations using Flow, Java Services, JMS based design patterns
  • Solid knowledge with Java EE, Java generics and Java APIs.
  • Excellent knowledge of relational databases (PostgreSQL, DB2), SQL, and webMethod JDBC adaptor
  • Experience with automated unit testing using WmTestSuite

Desired Skills:

  • An in-depth knowledge of Social Security Administration (SSA) modern development environment
  • Knowledge of API Gateway and policy design
  • Preferred experience with API development & monitoring tools (Postman, Swagger, Splunk, Dynatrace)
  • Preferred experience with Mainframe development, COBOL, CICS programs, VSAM/QSAM, or 3270 terminal emulation
  • Preferred experience with delivery (CI/CD) best practices and DevOps to production

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Public Trust



Scheduled Weekly Hours:




Requisition Category:


Job Family:

Software Development

Pay Range:


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 38,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. 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.

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