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We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia.
Mainframe Engineer
Location
United States
Posted
46 days ago
Salary
$55 / hour
Seniority
Mid Level
Job Description
Mainframe Engineer
TEKsystems
We are seeking a highly skilled z/OS Network Systems Programmer to manage, support, and optimize our mainframe networking environment. The successful candidate will provide in-depth technical expertise in IBM z/OS Communications Server, encompassing both legacy SNA/APPN architectures and modern TCP/IP protocols. This role requires a proactive problem-solver capable of performing deep-packet analysis, managing secure file transfers, and supporting enterprise-wide printing solutions. Key Responsibilities/Scope: Network Analysis & Troubleshooting • Perform advanced network problem analysis utilizing sniffer traces and TCP/IP packet captures. • Execute and analyze VTAM network traces to isolate and resolve complex issues within the SNA/APPN environment. • Provide high-level support for Enterprise Extender (EE) protocols to ensure seamless SNA-over-IP communication. Security & Protocol Management • Customize and maintain the z/OS Policy Agent (Pagent) to manage network policies and AT-TLS rules. • Manage secure communication protocols, including SSH and SSL/TLS, ensuring robust data encryption. • Administer Digital Certificates and Keyrings to maintain mainframe security integrity. • Support secure file transfer services, including SFTP, FTPS, and Connect:Direct. System Support & Infrastructure • Configure and support IBM 3270 Emulators, including PCOMM, Host On-Demand (HOD), and HACP-EE. • Customize, and maintain the VPS Enterprise Printing System. • Manage printer protocols, specifically PCL and PostScript, to ensure reliable output services. Reporting, Automation & Performance • Generate reports based on SMF records using REXX, CLIST, and Java. • Utilize IBM utilities, Syncsort, and SMF (System Management Facilities) records for performance monitoring, reporting, and capacity planning. Requirements: • Minimum 5 years of experience in IBM z/OS Communications Server, with specific expertise in: o SNA, VTAM, and APPN/Enterprise Extender. o TCP/IP stack configuration and z/OS Policy Agent. • Proficiency in mainframe environments: TSO/ISPF, JCL, SDSF (JES2/JES3), and OMVS. • Experience with distributed tools such as PuTTY, WinSCP, and the Microsoft Office Suite. • Familiarity with ServiceNow for IT Service Management (ITSM) is highly desirable. Education & Professional Skills • Education: Bachelor’s degree in Computer Science, Information Technology, or a related field is highly preferred. • Communication: Excellent verbal and written communication skills with the ability to document complex technical procedures. • Analytical Thinking: Strong diagnostic skills and the ability to work independently on high-impact projects. Operational Expectations • On-Call Support: Must be willing to participate in a rotational 24x7x365 on-call schedule. • Flexibility: Ability to work overtime, including various shifts, weekends, and holidays, as required by business needs. • Collaboration: Proven ability to function effectively both as an independent contributor and as a collaborative team member across cross-functional groups. Job Type & Location This is a Contract position based out of Dearborn, MI. Pay and BenefitsThe pay range for this position is $55.00 - $55.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave) Workplace TypeThis is a fully remote position. Application DeadlineThis position is anticipated to close on Apr 23, 2026. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
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