Sr or Lead ZOS Mainframe Systems Engineer jobs in United States
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System One · 3 hours ago

Sr or Lead ZOS Mainframe Systems Engineer

positionReston, VA
timeContract
remoteHybrid
senioritySenior Level, Lead/Staff

System One is a leader in delivering outsourced services and workforce solutions across North America. They are seeking a Senior/Lead z/OS Mainframe Systems Engineer to lead and support their mainframe platform team, focusing on technical leadership, systems analysis, and troubleshooting.

Staffing Agency
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H1B Sponsor Likelynote

Responsibilities

Lead and review work performed by Ensono systems programmers
Coordinate with application teams (~20 COBOL/Java devs) and infrastructure stakeholders
Support CICS, DB2, batch processes, and mainframe tools (CA7, CA1, IBM RMM)
Guide RACF security, TLS/SSL, TCP/IP, and other mainframe networking initiatives
Troubleshoot system issues, perform root cause analysis, and validate implementations
Participate in IPLs and system upgrades as needed

Qualification

Z/OS systems experienceRACF/security administrationTCP/IP networkingTLS/SSL knowledgeAnalytical mindsetTroubleshooting skillsSYSPLEX experienceHealthcare/claims exposureCommunication skillsLeadership skills

Required

Senior-level z/OS systems experience; familiar with mainframe tools and products
Strong RACF/security administration skills
Networking knowledge: TCP/IP, TLS/SSL, FTP
Analytical and troubleshooting mindset; can work from failure codes/logs
Excellent communication and leadership skills

Preferred

SYSPLEX experience
healthcare/claims exposure

Benefits

Health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans
Participation in a 401(k) plan

Company

System One

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System One is a professional staffing firms.
dateFounded in 2008
location
Pittsburgh, Pennsylvania, USA
people-size5001-10000 employees
web-link
http://www.systemoneservices.com/

H1B Sponsorship

System One has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (5)
2024 (6)
2023 (9)
2022 (10)
2021 (9)
2020 (5)

Funding

Current Stage
Late Stage
Total Funding
$301.8M
Key Investors
TruistOaktree Capital ManagementProspect Capital Corporation
2021-01-28Debt Financing· $290M
2020-12-08Private Equity
2016-09-20Acquired

Leadership Team

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Troy Gregory
Chief Executive Officer
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Dan Moran
Chief Financial Officer
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Company data provided by crunchbase