Sr. Infrastructure Engineer

Sr. Infrastructure Engineer I (Mainframe Platform Developer)

The Sr. Infrastructure Engineer will play a critical role in the Mainframe Pod of our client's Infrastructure & Operations team. This position requires a strong focus on Mainframe Operations while serving as a key conduit between application teams and our managed service provider. The successful candidate will ensure reliable day-to-day operations, lead coordination of incident and request handling, and contribute to roadmap and modernization initiatives.

This role demands both hands-on technical expertise in mainframe environments and collaborative leadership skills to align stakeholders and keep systems running securely and efficiently.

Length: 6-month contract-to-hire

Location: 100% Remote

Associate Vendors: We are accepting applications from candidates who are currently authorized to work in the US for any employer without sponsorship.

Role & Responsibilities

• Act as a primary contact for mainframe operations, overseeing daily health, stability, and performance of mainframe systems and tools.
• Serve as the bridge between application teams and the managed service provider, ensuring clear communication, timely resolution of issues, and effective coordination of changes and upgrades.
• Manage Service Requests and Incidents from application teams, providing hands-on troubleshooting and escalating to service providers when necessary.
• Manage and monitor ESP Scheduler activities, including scheduling, execution, and troubleshooting of batch and on-demand workloads.
• Partner with application teams to optimize and maintain ESP job schedules, calendars, and dependencies.
• Coordinate and oversee mainframe application upgrades and changes, partnering with app teams and the service provider to minimize risk and downtime.
• Provide primary support for key applications such as Endevor, Terminal Emulator, Control-D and related tools.
• Support audit and compliance activities, ensuring proper documentation and adherence to regulatory standards.
• Deliver architectural input and technical evaluations of applications, guiding app teams on mainframe-related best practices.
• Support real-time integrations and web services that connect distributed platforms to the mainframe.
• Participate in and influence mainframe modernization efforts, helping transition legacy workloads toward more agile, integrated, and automated approaches.

Required Qualifications

• Degree in Computer Science, Information Systems or other related field, OR relevant accredited technical certification, OR equivalent work experience.
• 6-9 years of cumulative, relevant experience
• Agile/Scrum team experience.
• Exposure to infrastructure automation and DevOps practices.
• Strong working knowledge of mainframe tools and technologies, including ESP Scheduler, Endevor, ACF2, CICS, DB2, MQ, COBOL.
• Proven experience in mainframe operations—system monitoring, job scheduling, troubleshooting, and support.
• Demonstrated ability to work across teams, serving as the liaison between service providers and internal app teams.
• Experience managing incident, problem, and change processes in a large-scale enterprise environment.
• Familiarity with web services and real-time mainframe integrations.
• Excellent communication, coordination, and documentation skills.

Desired Qualifications

• Background in financial service is a plus.
• Understanding of applications being hosted on servers or in the cloud is a plus.

About Proliance:

Proliance Consulting is a Seattle-based staffing firm specializing in IT and digital marketing roles. We connect top-tier talent with leading companies across the United States, offering contract, contract-to-hire, and direct placement opportunities. Our approach emphasizes building authentic relationships, ensuring transparent communication, and delivering tailored solutions that align with both candidate aspirations and client needs. Committed to fostering an inclusive and equitable workplace, we prioritize continuous learning and cultural awareness to support diverse professionals in thriving environments.

Why Work for Us?

At Proliance Consulting, we prioritize the well-being and satisfaction of our consultants, which is reflected in our strong reputation and 5-star reviews on Google. We offer a comprehensive benefits package that includes medical and vision coverage through Regence, with Proliance covering 50% of employee premiums and 25% for dependents. We also provide dental insurance through Delta Dental, a competitive 401(k) with matching options, and direct deposit for convenience. Our team members enjoy paid safe and sick time, paperless pay statements, and the opportunity to earn referral bonuses through our Employee Referral Program. We believe in supporting our people both professionally and personally—because when you thrive, we thrive.

Proliance Consulting provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, Proliance Consulting complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfers, leaves of absence, compensation, and training.