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Sr Software Engineer

Remote in Pittsburgh, PA, US • Posted 2 hours ago • Updated 2 hours ago

Full Time

On-site

Fitment

Dice Job Match Score™

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Job Details

Skills

Science
SAFE
Reliability Engineering
Legacy Systems
Production Support
Root Cause Analysis
Issue Resolution
Quality Assurance
Technical Drafting
Process Improvement
Mentorship
Regulatory Compliance
Application Development
COBOL
CICS
VSAM
IDMS
Easytrieve
Debugging
Analytical Skill
Conflict Resolution
Problem Solving
Agile
Scrum
Communication
API
RESTful
z/OS
Cloud Computing
DevOps
Continuous Integration
Continuous Delivery
Performance Tuning
Optimization
Endevor
Changeman
Mainframe
Apache Velocity
Design Automation
Collaboration

Summary

Work Schedule
Standard (Mon-Fri)

Environmental Conditions
Office

Job Description

As part of the Thermo Fisher Scientific team, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world's toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.

DESCRIPTION:
Position Summary

We are seeking a Senior Mainframe Developer to design, develop, and support critical enterprise applications in a complex mainframe environment. This role requires deep technical expertise in COBOL-based systems, strong problem-solving skills, and the ability to contribute to modernization initiatives, including API enablement and integration with distributed platforms.

This individual will play a key role in ensuring system reliability, driving technical improvements, and partnering with cross-functional teams to deliver high-quality solutions.

Key Responsibilities

Design, develop, test, and maintain applications using COBOL, CICS, VSAM, and IDMS
Analyze business requirements and translate them into scalable, maintainable technical solutions
Support and enhance legacy systems while contributing to modernization and transformation efforts
Develop and expose APIs and services to enable integration between mainframe and distributed systems
Participate in production support, including root cause analysis and issue resolution
Provide on-call support, including weekends and off-hours, as part of a rotation
Collaborate with Product Managers, Business Analysts, QA, and other engineering teams
Lead or contribute to code reviews, technical design sessions, and best practice development
Identify opportunities for process improvement, automation, and performance optimization
Mentor junior developers and provide technical guidance across the team
Ensure adherence to security, compliance, and development standards

Required Qualifications

7+ years of experience in mainframe application development
Strong hands-on experience with:
- COBOL
- CICS
- VSAM
- IDMS
- Easytrieve
Experience with batch and online processing environments
Proven experience supporting mission-critical production systems
Strong debugging, analytical, and problem-solving skills
Experience working in Agile or Scrum environments
Excellent communication skills, with the ability to work across technical and business teams
Willingness to participate in on-call rotation (weekends and off-hours)

Preferred Qualifications

Experience with mainframe modernization initiatives
- API enablement (e.g., REST services, z/OS Connect, etc.)
- Integration with cloud or distributed platforms
Familiarity with DevOps practices and CI/CD pipelines in a mainframe context
Experience with performance tuning and system optimization
Exposure to tools such as Endevor, Changeman, or similar
Experience working in hybrid environments (mainframe + distributed systems)

Work Environment

Hybrid work model: Onsite at least 3 days per week
Participation in an on-call rotation, including weekends and off-hours support

What Success Looks Like

Delivers high-quality, reliable code in a complex legacy environment
Drives incremental modernization while maintaining system stability
Acts as a technical leader and trusted partner to stakeholders
Improves team velocity through better design, automation, and collaboration

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10286239
Position Id: 62d0882a8afce01398386feca778cb10
Posted 2 hours ago

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