Job Information
HTC Global Services Inc Senior Mainframe Network Engineer in Dearborn, Michigan
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.
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