Mainframe Developer

at Leidos
Location Milford Mill, MD
Date Posted April 18, 2021
Category Default
Job Type Full-time



Job Description:

The Government Health and Safety Solutions Operations has an opening for a Mainframe Developer to support a large healthcare contract in Baltimore. Must have an active Public Trust Clearance.

Performs functional analysis, design, and development of IT business COBOL / JCL/ DB2 applications for operations and maintenance as well as enhancement projects. Performs unit testing and system testing, supports Independent Verification and Validation testing, and customer integration testing. Writes Change Request Analysis (CRA) documents for system specifications. Participates in peer reviews. Participates in customer meetings to recommend solutions to business needs and problems. Interfaces with external agencies to coordinate system changes and enhancements. Recognizes, diagnoses, researches and resolves system and design concerns. Develops solutions to complex technical issues and problems that impact multiple areas or disciplines. Regularly employs ingenuity and creativity to develop new technical solutions and systems in order to achieve functional objectives. Provides development life-cycle support and evolutionary lifecycle improvements or modifications as requested. Responsible for ensuring appropriate Change Management processes/procedures and documentation are followed. Provides level of effort estimates for change requests. Updates change management system (Jira) as requested. Provides 24/7 on-call production support on a rotational basis.

Excellent oral and written communication skills, strong teamwork, ability to multi-task and a strong commitment to client service. Must be able to analyze legacy applications for new change requests and problem resolution. Requires strong COBOL, JCL, DB2, and VSAM experience.  

Experience with building customer relationships to prioritize and analyze system issues. Knowledge or experience with Software Engineering (IEEE) Capability Maturity Model (CMM) standards. Knowledge or experience with Full Development Life-Cycle (FDLC) and Agile methodologies. Familiar with SQL tools.  JAVA batch development experience is a plus.

Bachelor’s degree from an accredited college in a related discipline, or equivalent experience/combined education, with 8 - 12 years of professional experience, or 6 - 10 years of professional experience with a related Master’s degree. Experience may be substituted in lieu of degree.

Preferred Skills:

SSA, CMS or other government agency experience.

External Referral Bonus:


Potential for Telework:

Yes, 50%

Clearance Level Required:

Public Trust


Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Software Development

Pay Range:

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 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.

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 [Click Here to Email Your Resumé].

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.