Senior Software Developer - Mainframe (GR 25)
$90.4k - $141.8kPACCAR
Requisition Summary
This position is responsible for the development, enhancement, and support of PACCAR's critical Mainframe applications that enable key Materials and Finance business processes. Leveraging technologies such as COBOL, IMS, DB2, CICS, and JCL, the role focuses on delivering reliable, high-quality solutions, maintaining existing systems, resolving production issues, and implementing new capabilities that support PACCAR's manufacturing, supply chain, and financial operations across North America
Company Information
PACCAR is a Fortune 500 company established in 1905. PACCAR Inc is recognized as a global leader in the commercial vehicle, financial, and customer service fields with internationally recognized brands such as Kenworth, Peterbilt, and DAF trucks. PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates and also provides customized financial services, information technology and truck parts related to its principal business.
Whether you want to design the transportation technology of tomorrow, support the staff functions of a dynamic, international leader, or build our excellent products and services, you can develop the career you desire with PACCAR. Get started!
About the Team
As a Senior Software Developer , you will join PACCAR’s talented Mainframe team, supporting the mission-critical Materials and Finance systems that power the manufacturing, supply chain, and financial operations behind the production of medium and heavy-duty trucks across North America. You will collaborate with business and technology teams to design, develop, and enhance innovative solutions, leverage modern AI-enabled tools to improve productivity and software delivery, and help ensure the reliability and performance of applications that are essential to PACCAR’s continued success.
Job Functions / Responsibilities
- Partner with business customers and stakeholders to understand requirements and recommend effective technical solutions.
- Design, develop, test, implement, and support mainframe applications and system enhancements.
- Troubleshoot and resolve production issues while ensuring system reliability and performance.
- Provide application and system administration support for critical business systems.
- Collaborate with cross-functional teams in an Agile environment to deliver business value.
- Participate in code reviews, technical analysis, and continuous improvement initiatives.
- Support production deployments and participate in an on-call rotation, including occasional evenings and weekends as needed.
- Utilize AI-enabled tools to improve development efficiency, quality, and operational support processes.
Qualifications
- 5+ years of software engineering experience, including application development, scripting, workflow design, and data mapping.
- 5+ years of mainframe experience with COBOL, IMS DB, DB2, CICS and JCL
- Strong analytical, problem-solving, organizational, and interpersonal skills.
- Excellent verbal and written communication skills.
- Ability to work independently and collaboratively in a team environment.
- Proficiency with Microsoft Office tools, databases, and spreadsheets.
Education
Bachelor's Degree in Information Systems, Computer Science or related field desired.
Paccar Benefits
As a U.S. PACCAR employee, you have a full range of benefit options including:
- Competitive salary and 401k with up to a 5% company match
- Fully funded pension plan that provides monthly benefits after retirement
- Comprehensive paid time off – Minimum of 10 paid vacation days, 12 paid holidays, and sick leave
- Tuition reimbursement for continued education
- Medical, dental, and vision plans for you and your family
- Flexible spending accounts (FSA) and health savings account (HSA)
- Paid short-and long-term disability program
- Life and accidental death and dismemberment insurance
- EAP services including wellness plans, estate planning, financial counseling and more
- Global Fortune 500 company with a wide array of growth and development opportunities
- Work alongside experienced goal-oriented colleagues recognized as experts in their field
Additional Job Board Information
PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability. At PACCAR, we value talent and promote growth and development. We carefully consider numerous compensation factors, including your education, training, or experience. The salary range for "Senior Software Developer - Mainframe" is $90,400 - $141,800 annually. Additionally, this role is eligible for a full range of benefit options listed above. This position is also eligible for a holiday gift.
- ...Description Job Description Senior Java Developer / Java Programmer Program... ...: Hybrid—approximately 25% at the New Carrollton Federal... ...will provide full-lifecycle software development, operations and... ...with IRS legacy IBM mainframe environments, including mainframe...MainframeSeniorContract workFor contractors
- ...Senior Java DeveloperThe role will require you to design, develop and test using JAVA technologies which will facilitate application... ...experienceWorking with mainframe CICS containers and channels using... ...internal teams to produce software design and architectureDevelop...MainframeSenior
- ...Job Description Job Title: Senior Cobol Developer Location: Remote. Duration: Full-Time NEED IRS MBI Clearance. Job Overview... ..., particularly IRS IMFOL development. Proficient in IBM Mainframe, ALC, and JAVA. Bachelor's degree or 4 years of related...MainframeSeniorPermanent employmentFull timeRemote work
- ...Senior Software Engineer This position requires a BA/BS in Information Systems or equivalent... ...Skills: At least 4 years of mainframe-based application development experience... ...documentation skills will be essential to ensuring developed source code can be interpreted by other...MainframeSeniorWork at office
- Peraton seeks a Senior Software Test Engineer to join our team supporting the IRS Enterprise System Testing program in Lanham, Maryland. You... ...tools (Selenium, UiPath, QTP/UFT) and proficiency with mainframe, client/server, and cloud testing. #J-18808-Ljbffr PeratonMainframeSenior
$143k - $193.05k
...Modernization business unit is seeking a Senior Principal Software Engineer to serve as a visionary and... ...product lines to meet enterprise mainframe and hybrid cloud environment. You will... ...platforms that support dynamic workloads Developing modern, secure APIs to improve...MainframeSeniorFull timeRemote workWorldwide- ...Must haves: C# .NET Senior level UI is a nice to have... ...The purpose of this team is to develop, prototype, and maintain web-... ...be made up of full-stack software development, application maintenance... ...utility programs including mainframe and client/server...MainframeSeniorImmediate start
$120.5k - $162.68k
...Summary: We are seeking an accomplished Senior Software Engineer with deep expertise in IBM... ...IMS based applications on the mainframe and now wants to bring that domain knowledge... ...components. ~ Direct hands-on experience developing or maintaining IMS TM and DB...MainframeSeniorFull timeRemote workWorldwideFlexible hours- ...transactions, e.g. 834, 837, etc. would be beneficial. Experience with mainframe-based application development experience. Experience working in an Agile environment is a plus. Software: COBOL/CICS DB2 JCL REXX Rocket Shuttle Xpediter, FileAid...MainframeSenior
- Tech Mirrors is seeking a Mainframe Platform Engineer in McLean, VA, for a long-term in-person role. The engineer will act as a technical lead, overseeing mainframe operations and infrastructure upgrades while ensuring compliance with security standards. Candidates must...MainframeSeniorContract work
- ...Description TITLE: Sr Java Developer LOCATION: Washington, DC/... ...Job Description: The Senior JAVA Developer position requires... ...with internal teams to produce software design and architecture ·... ...Year · Working with mainframe CICS containers and channels...MainframeSeniorContract work
- ...efforts in technical project management, software engineering & testing automation to... ...degree or equivalent Preferred: Experience developing GraphQL APIs using Apollo and REST based... ...agile environments. Experience transforming mainframe-based applications into modern open...MainframeSeniorFull timeRemote workFlexible hours
- ...Description: Short Description : The Senior JAVA Developer position requires in-depth knowledge... ...and debug code, improve existing software, test, and deploy applications and systems... ...experience · Working with mainframe CICS containers and channels using JCA...MainframeSeniorContract work
- ...We are seeking an experienced Senior AI Engineer specializing in AI... ...challenges from securing traditional software. AI security is not a... ...can fail or be exploited, develop new approaches for detecting and... ...This role may require up to 25% travel Scope of Responsibilities...SeniorFull timeWork at officeRemote work
$191k - $253k
...incubating and maturing high-potential, software-defined, AI-native offerings that meet the... ...feedback loop with end users.Travel up to 25% of the time to participate in customer... ...software services across Anduril, aiming to develop reusable components that contribute to...SeniorFull timeWork experience placementImmediate startRemote work$131.3k - $237.35k
...take their career to the next level.As a Senior AI Engineer, you will:Support the development... ...teams of analysts, engineers, and developers to solve complex challenges and deliver innovative... ...anyone else dares.Original Posting:June 25, 2026For U.S. Positions: While subject...SeniorFull timeRemote workFlexible hours$25k
...a new and exciting opportunity for a Senior Cybersecurity AI Developer in our Intel Sector. Our talented team... ...Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals... ...else dares.Original Posting:August 25, 2026For U.S. Positions: While subject...SeniorFull timeImmediate startRelocation packageFlexible hours$104.1k - $162.9k
...leader, or build our excellent products and services — you can develop the career you desire with PACCAR. Get started! Job Functions... ...your education, training, or experience. The salary range for Senior/Lead CFD Simulation Engineer is $104,100- $162,900 annually. Additionally...SeniorTemporary workFlexible hours- ...SEI conducts research and development in software engineering, systems engineering, cybersecurity... ...Platform and Mission Engineering team develops and maintains tools, environments, and... ...interviews. You have a willingness to travel (25%) outside of your office location to...SeniorFull timeWork experience placementWork at office
$72.7k
...financial reports, records and trends; develops and maintains spreadsheets and... ...and databases. Utilize PC and/or mainframe based systems and software, compile and prepare reports, graphs... ...None Travel Requirement: 0% - 25% PHYSICAL, MENTAL DEMANDS and WORKING...MainframeSeniorFor contractorsWork at officeLocal area$131k - $218.3k
...innovation.Work you'll doAs a Software Engineer III on the GPS Engineering... ...delivery Ability to travel 0-25%, on average, based on the... ...Recruiting tips From developing a stand out resume to putting... ...From entry-level employees to senior leaders, we believe there’s always...SeniorLocal areaFlexible hours- ...from the inside out.Position Summary:The Senior Technical Lead will promote and support CG... ...State Leaders in Building State Resilience :Develop and manage strategic processes for partner... ...US locations will be required, up to 25%. Primary working hours will be Central or...SeniorFull timeWork at officeLocal areaRemote workHome office
- ...of Ho Chunk Incorporated, is seeking a Senior Application Developer to support the US Drug Enforcement... ...reliability. Competencies ~8+ years of software and web development experience. ~5+... ...moves standard office equipment up to 25 pounds. Must be able to work...SeniorFull timeContract workWork at officeFlexible hours
- ...Embedded Software DeveloperAre you a software engineer passionate about computer science,... ...are seeking a dedicated embedded software developer eager to solve hard problems in space using... ...of Something Innovative Over the past 25 years, the Space Exploration Sector at APL...SeniorWork experience placement
- Quality Support, Inc. is looking for a Senior Software Engineer in Alexandria, Virginia. Candidates must have 25-30 years of experience with strong backgrounds in submarine... ...or related fields. The position involves developing software solutions, conducting systems...Senior
- ...Job Title MUST HAVES: ~5+ years of experience ~ z/OS mainframe ~ Syncsort ~ MFT (GoAnywhere, Sterling, Axway, or MoveIT) ~ COBOL ~ XML Mapping Required experience: Hands-on experience setting up MFT flows in GoAnywhere or another Managed...Mainframe
$170k - $230k
...possess this level of clearance. Are you a Senior Software Engineer who is ready for a new... ...in the latest technologies. We will develop and support your own personalized training... ...Coverage for Employee and Dependents ~ Up to 25 Days of Paid Time Off ~ Up to 40...SeniorFull timeContract workRemote workWork from homeRelocation package$107.7k - $179.5k
...full spectrum of solutions for designing, developing, and operating cutting-edge Data and AI... ...clearance for this roleAbility to travel 5-25%, on average, based on the work you do... ...development From entry-level employees to senior leaders, we believe there’s always room...SeniorLocal area- ...Senior Vice President, Mainframe DB2 or IMS Systems Programmer About the Company Large enterprise needing expert DB2 mainframe systems support... ..., configuration, and upgrading of DB2 and related software products, including middleware. This role involves troubleshooting...MainframeSeniorWork experience placementWeekend work
- ...Senior IT Specialist The Senior IT Specialist provides high level functional and IT analysis, design, development, integration, documentation... ...as a Project Manager as required. COMMENTS: IBM Mainframe modernization from z14 to z16: IBM cloud migration of on-...MainframeSenior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Developer - Mainframe (GR 25). Be the first to apply!
- software engineer internship Washington DC
- software development engineer aws Washington DC
- software developer internship no experience Washington DC
- real time software engineer Washington DC
- financial software developer Washington DC
- part time software developer Washington DC
- graduate software developer Washington DC
- software engineer travel Washington DC
- experienced software developer Washington DC
- remote entry level software developer Washington DC



