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Senior Mainframe Software Engineer Jobs in Killington, VT

Verdantas

Senior Water/Wastewater Engineer

Sharon, VT · On-site

$120K/yr

Verdantas is seeking a Senior Water/Wastewater Engineer to join any of our New Hampshire, Maine ... Experience with AutoCAD design software, including Civil3D * Technical experience in water and ...

Lockheed Martin - US

DevOps Engineer Senior

Hanover, NH · Hybrid

$129K - $166K/yr

Identify, debug, and correct defects in existing software, utilizing effective troubleshooting techniques to resolve issues efficiently. Automated Testing and Deployment: * Implement automated ...

D-H Lebanon-MHMH

Senior Database Developer

Lebanon, NH · On-site

$90K - $144K/yr

Minimum of 3 years of programming, data management, and/or analytics experience. * Requires hands ... software packages desired. * Excellent interpersonal skills and strong organizational skills ...

Verdantas

Civil Project Manager

Sharon, VT · On-site +1

$105K/yr

... engineering in northern New England or a similar setting; Vermont design and permitting experience preferred * Experience with AutoCAD design software, including Civil3D * Technical experience in ...

NCR Atleos

Field Service Technician II

Rutland, VT · On-site

$40K - $59K/yr

Field Engineer? Service Technician? Or do you want to become a member of this field? Are you tech ... Familiarity with large servers, mainframe computers, and imaging software. * A+ Certification ...

Dartmouth College

Space Planner

Hanover, NH · On-site

The position facilitates and manages projects from initial programming and conceptual design ... Proficient with design and/or construction software, such as AutoCad, Revit, and SketchUp Preferred ...

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All JobsMainframe Software Engineer JobsSenior Mainframe Software Engineer JobsSenior Mainframe Software Engineer Jobs in Killington, VT

Senior Mainframe Software Engineer information

See Killington, VT salary details

$77.3K

$146.7K

$196.6K

How much do senior mainframe software engineer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for senior mainframe software engineer in Killington, VT is $146,699.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,400.00 and $165,300.00 per year, depending on experience, location, and employer.

What is a senior mainframe software engineer?

Senior Mainframe Software Engineers are experienced professionals who design, develop, maintain, and optimize software applications running on mainframe computer systems. They typically work with legacy programming languages such as COBOL, PL/I, or Assembler, and are responsible for ensuring the reliability, scalability, and security of critical business applications. Their role often includes troubleshooting complex issues, integrating new technologies with existing systems, and mentoring junior engineers. These specialists are essential for organizations that rely on mainframes for large-scale data processing and transaction management.

What are the key skills and qualifications needed to thrive as a senior mainframe software engineer?

To thrive as a Senior Mainframe Software Engineer, you need deep expertise in COBOL, JCL, DB2, and mainframe architecture, often backed by a degree in computer science or related fields and several years of relevant experience. Familiarity with tools like IBM z/OS, CICS, RACF, and version control systems is typically required, along with certifications like IBM Certified System Programmer as a plus. Strong analytical thinking, problem-solving ability, and effective communication are crucial soft skills for leading projects and collaborating with cross-functional teams. These skills ensure reliable, secure, and efficient operation of critical legacy systems that are foundational to many large organizations.

What are some common challenges faced by senior mainframe software engineers when integrating legacy systems with modern technologies?

Senior Mainframe Software Engineers often encounter challenges when bridging legacy mainframe systems with newer technologies, such as ensuring compatibility, maintaining data integrity, and managing security risks. These integrations typically require a deep understanding of both the existing mainframe environment and the modern platforms being adopted. Collaboration with cross-functional teams, including application developers, architects, and business analysts, is essential to design effective solutions and minimize disruptions. Staying current with industry best practices and emerging tools can help address these challenges and ensure a smooth transition.

What is the difference between Senior Mainframe Software Engineer vs Mainframe Developer?

AspectSenior Mainframe Software EngineerMainframe Developer
CredentialsBachelor's in Computer Science or related, often with certifications like IBM Certified SpecialistSimilar educational background, often with certifications in mainframe technologies
Work EnvironmentLarge enterprise IT departments, financial institutions, government agenciesSame as Senior Mainframe Software Engineer, often within similar industries
ResponsibilitiesDesign, develop, and oversee mainframe applications; lead projects; troubleshoot complex issuesDevelop and maintain mainframe applications; focus on coding and debugging

While both roles involve mainframe technologies and similar credentials, Senior Mainframe Software Engineers typically have more leadership responsibilities and oversee projects, whereas Mainframe Developers focus primarily on coding and application maintenance.

Senior Mainframe Software Engineer jobs near you
Infographic showing various Senior Mainframe Software Engineer job openings in Killington, VT as of August 2026, with employment types broken down into 62% Full Time, and 38% Contract. Highlights an 100% In-person job distribution, with an average salary of $146,699 per year, or $70.5 per hour.

Senior Water Resources Engineer

Trilon

White River Junction, VT • Hybrid

Full-time

Medical, PTO

Re-posted yesterday

Job description

Creativity. Innovation. A desire to effect positive change. That's what it takes to work at Fuss & O'Neill - because that's what we do for the communities in which we work: we create, innovate, and design long-lasting improvements that improve quality of life. Quality of life is also important on the job, so we've prioritized work-life balance by offering flexible/remote work opportunities, part-time benefits, and generous PTO. We believe that each day is an opportunity to support one another, to support our clients, and to support our communities. If you feel the same, then you've found your future.
We're currently seeking a Senior Water Resources Engineer to join our growing team. In this role, you'll take on complex and impactful projects across New England - helping clients navigate evolving regulatory landscapes while delivering smart, practical stormwater and water resource solutions. You'll collaborate with a multidisciplinary team of engineers, scientists, and planners, while also having the opportunity to mentor junior staff and contribute to the continued growth of our practice.
This is an ideal opportunity for a motivated professional who is passionate about water resources, thrives in a collaborative environment, and is looking to make a meaningful impact through their work.
  • Lead and support the planning, analysis, and design of water resources and stormwater management projects 
  • Perform hydrologic and hydraulic (H&H) modeling using industry-standard software 
  • Prepare technical reports, drainage studies, and design documentation 
  • Collaborate with project managers, engineers, and scientists across disciplines 
  • Support permitting efforts with local and state agencies throughout New England 
  • Mentor junior staff and contribute to team knowledge-sharing and development 
  • Participate in client meetings and help maintain strong client relationships
  • Bachelor's degree in Civil Engineering, Water Resources Engineering, or a related field 
  • 7+ years of relevant experience in water resources engineering 
  • EIT certification required; PE preferred
  • Proficiency with modeling and design tools such as EPA SWMM (or PCSWMM), HydroCAD, and StormCAD
  • Experience developing and submitting local, state, and federal permit applications
  • Strong understanding of stormwater management, drainage design, and regulatory requirements 
  • Excellent technical writing and communication skills
  • Ability to manage multiple priorities in a fast-paced environment
  • Occasional travel to client sites within New England (10%)

This is a hybrid role, offering the best of both worlds-collaborate in-office with a high-performing team and enjoy the flexibility of working remotely part of the week. We're committed to supporting work-life balance while maintaining strong team connection and project delivery.
  • Schedule Flexibility: Customize your work schedule to fit your life.
  •  Health & Wellness: Comprehensive health benefits to keep you and your family healthy.
  •  Continuous Learning: Access to online courses, conferences, and learning materials to fuel your professional growth.
  •  Paid Time Off: Take the time you need to recharge with our generous paid time off policy.
  •  Career Advancement: Clear paths for promotions and the opportunity to take on new challenges.
  •  Fun Team Culture: Regular team-building activities, happy hours, and company outings.

The base salary range for this role is indicated in the posting. This range reflects the company's good faith estimate of the compensation for this position at the time of posting. Final compensation will be determined based on factors such as experience, skills, qualifications, internal equity, and geographic location.

Visa sponsorship is NOT available for this position
All offers are contingent upon a successful criminal background check. Fuss & O'Neill, Inc. is proud to be an Affirmative Action/Equal Opportunity Employer. Fuss & O'Neill participates in the Federal e-Verify program.
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