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Freelance Mainframe Network Engineer Jobs (NOW HIRING)

Mainframe Network Engineer

Phoenix, AZ · On-site

$48.75 - $62.50/hr

Alpha Consulting Corp. is seeking a Mainframe Network Engineer to support IBM z/OS networking environments, ensuring stable and secure connectivity across enterprise mainframe systems. The role ...

New

Mainframe Network Engineer

Phoenix, AZ · On-site

$48.75 - $62.50/hr

L.C. is seeking a Mainframe Network Engineer to support IBM z/OS networking environments, ensuring stable and secure connectivity across enterprise mainframe systems. The role involves ...

New

Mainframe Network Engineer (L3)

$50.25 - $64.50/hr

Role Name: Mainframe Network Engineer (L3) Location: Remote, USA Experience: L3 level support required Roles & Responsibilities * Configure and administer IBM z/OS mainframe network software.

Mainframe Network System Engineer

Tampa, FL · On-site

$52 - $66.25/hr

Mainframe Network System Engineer Location : Tampa, Florida Job Type: Contract Duration: 3 Years * This position is for Mainframe Networking ( VTAM, TCPIP etc.) - the position will be remote, onsite ...

Mainframe Networking Engineer - Remote

Tampa, FL · On-site +1

$46.25 - $59.50/hr

Mainframe Network system programmer; configure, implement, maintain, support host network definitions (VTAM, TCPIP etc.) for IBM/Kyndryl and IBM customer mainframe systems. * Provide Tier3 host ...

Mainframe, Network Systems Programmer

$56.25 - $71.75/hr

Mainframe Network Engineering will be supporting a firmwide initiative to enable encryption for all data in transit. * Our focus will be on assessing all connections to and from the mainframe ...

Senior Network Engineer - VP

Irving, TX · On-site

$125K - $188K/yr

Engineer/implement and support the Mainframe network software and hardware for zOS / zVM platforms. * Configuration and administration of IBM z/OS mainframe network communications software (VTAM ...

Mainframe Network Product installations, customizations and evaluations. * Definition, Maintenance and Modification of existing z/Series Network Products * Manage & Support Transmission Products ...

Mainframe Network Product installations, customizations and evaluations. * Definition, Maintenance and Modification of existing z/Series Network Products * Manage & Support Transmission Products ...

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Freelance Mainframe Network Engineer information

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$31K

$109K

$158K

How much do freelance mainframe network engineer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for freelance mainframe network engineer in the United States is $109,040.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,000.00 and $133,500.00 per year, depending on experience, location, and employer.
What cities are hiring for Freelance Mainframe Network Engineer jobs? Cities with the most Freelance Mainframe Network Engineer job openings:
What are the most commonly searched types of Mainframe Network Engineer jobs? The most popular types of Mainframe Network Engineer jobs are:
What states have the most Freelance Mainframe Network Engineer jobs? States with the most job openings for Freelance Mainframe Network Engineer jobs include:
Infographic showing various Freelance Mainframe Network Engineer job openings in the United States as of June 2026, with employment types broken down into 1% Locum Tenens, 96% Full Time, 1% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $109,040 per year, or $52.4 per hour.
Mainframe Network Engineer | Remote

Mainframe Network Engineer | Remote

Noblesoft Technologies

Frisco, TX • Remote

Contractor

Posted 10 days ago


Job description

Role :- Mainframe Network Engineer

Location :- Salisbury, NC/Boston, MA/Frisco, TX(Remote is also Fine)

Duration : Contract


Job description of Mainframe Network Engineer:

  • Architect, deploy, and manage mainframe network environments using VTAM, SNA, TCP/IP, DVIPA/DDVIPA, Sysplex Distributor, and HiperSockets.
  •  Continuously monitor network performance, latency, throughput, and traffic using tools like OMEGAMON, RMF, IBM NetView, Wireshark, and SolarWinds.
  • Diagnose and resolve performance bottlenecks and protocol mismatches.
  • Implement and enforce security protocols including RACF, IP filtering, AT-TLS encryption, IPSEC, intrusion detection, firewall and VPN configurations.
  • Participate in periodic security audits and maintain compliance with governance standards.
  • Troubleshoot connectivity issues, trace packet-level failures, and resolve VTAM, TCP/IP, hardware, and encryption errors.
  • Provide 24/7 on-call support and disaster recovery operations, including system backups and failover strategies.
  • Maintain detailed documentation: network diagrams, SOPs, change logs, incident reports.
  •  Liaise with system programmers, DBAs, application teams, vendors, and third-party service providers for integration, upgrades, and troubleshooting.

 Experience Required

  • 10–15+ years of hands-on mainframe network engineering experience.
  • Proven background working with z/OS mainframe environments, Parallel Sysplex, VTAM, TCP/IP, and SNA.

Technical Expertise

  • In-depth understanding of network protocols: TCP/IP, SNA, VTAM, DVIPA/DDVIPA, HiperSockets, Sysplex Distributor.
  • Proficiency with monitoring/troubleshooting tools (OMEGAMON, RMF, IBM NetView, Wireshark). 
  • Security know-how: RACF, IP filtering, AT-TLS, VPN, IPSEC, IDS/IDS. 
  • Experience developing and implementing high-availability and disaster recovery strategies on mainframe networks.
  • Familiarity with scripting (REXX, CLISTs) and automation for routine tasks and network toolkits.

Certifications (Preferred)

  • IBM certifications such as z/OS Administrator or IBM Certified System Administrator. 
  • Networking/security credentials: CCNP, CISSP, or equivalent.

Added Advantage  -

  • Familiarity with hybrid cloud/mainframe integration architectures. 
  • Experience with file transfers: Connect-Direct, FTP(S), sFTP, TPX, Supersession.