Senior Mainframe Network Engineer

Dearborn, MI, US • Posted 3 hours ago • Updated 3 hours ago
Full Time
On-site
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Job Details

Skills

  • Technical Support
  • Problem Analysis
  • Packet Analysis
  • TCP/IP
  • VTAM
  • Social Network Analysis
  • IP
  • Intellectual Property
  • Network
  • Communication
  • Secure Shell
  • SSL
  • TLS
  • SFTP
  • Connect:Direct
  • IBM
  • Printing
  • Management
  • PostScript
  • SMF
  • Rexx
  • CLIST
  • Java
  • Performance Monitoring
  • Capacity Management
  • IBM Utilities
  • Syncsort
  • TSO
  • ISPF
  • JCL
  • SDSF
  • Job Entry Subsystem 2/3
  • PuTTY
  • WinSCP
  • Microsoft Office
  • Mainframe
  • Network Protocols
  • Network Security
  • z/OS
  • IO
  • Programming Languages
  • Collaboration
  • Emerging Technologies
  • Insurance
  • Professional Development
  • Innovation
  • HTC

Summary

Job Title:
Senior Mainframe Network Engineer

Overview / Summary:
We are seeking a Senior Mainframe Network Engineer with strong expertise in z/OS environments, network protocols, and security. This role focuses on advanced network troubleshooting, secure communications, system support, and performance monitoring within a mainframe infrastructure.

Key Responsibilities:

  • Perform advanced network problem analysis using sniffer traces and TCP/IP packet captures
  • Execute and analyze VTAM network traces to resolve issues in SNA/APPN environments
  • Provide support for Enterprise Extender (EE) protocols for SNA-over-IP communication
  • Customize and maintain z/OS Policy Agent (Pagent) for network policies and AT-TLS rules
  • Manage secure communication protocols including SSH and SSL/TLS
  • Administer digital certificates and keyrings
  • Support secure file transfer services such as SFTP, FTPS, and Connect:Direct
  • Configure and support IBM 3270 emulators (PCOMM, Host On-Demand, HACP-EE)
  • Maintain VPS Enterprise Printing System
  • Manage printer protocols including PCL and PostScript
  • Generate reports using SMF records with REXX, CLIST, and Java
  • Perform performance monitoring and capacity planning using IBM utilities and Syncsort
  • Collaborate across teams and function effectively both independently and in group settings
  • Participate in a rotational 24x7 on-call schedule and support flexible working hours

Required Qualifications:

  • Proficiency in mainframe environments: TSO/ISPF, JCL, SDSF (JES2/JES3), OMVS
  • Experience with distributed tools such as PuTTY, WinSCP, and Microsoft Office Suite
  • Strong knowledge of mainframe systems, network protocols, network security, and z/OS
  • 10+ years of IT experience with 8+ years in development
  • Experience working with at least two programming languages or advanced expertise in one
  • Bachelor s degree, Master s degree, or certification program

What Makes HTC A Great Place To Build Your Future

HTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you ll collaborate with experts, work alongside clients, and be part of high-performing teams driving success together. You ll have long-term opportunities to grow your career and develop skills in the latest emerging technologies.

At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks.

Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected.

#LI-Onsite#LI-SK8

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: 10122753
  • Position Id: 241859
  • Posted 3 hours ago

Company Info

About HTC Global Services

HTC Global Services, established in 1990 and headquartered in Troy, Michigan, is a leading global information technology, and business process services company with operations across North America, Europe, Asia Pacific, Middle East, and India. We leverage our expertise in legacy and emerging digital technologies to deliver transformative outcomes for our enviable list of clients, which includes Fortune 1000 companies.

Our new vision Reimagining a better-shared world and mission Bringing human expertise to tech for delivering purposeful solutions that amplify value is at the heart of our transformation approach, powered by cloud, platform mindset, and engagement. Our motto Let s make digital change happen is our commitment to empower our clients to succeed in this digital world. While our values integrity, teamwork, the pursuit of excellence, committed, customer-centric, and thought-leadership, defines our character and behavior. 

Mission:
Bring human expertise to tech in order to deliver purposeful solutions that amplify value.

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