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Mainframe Network Engineer Jobs (NOW HIRING)

Ensono

Mainframe Network Systems Programmer (VTAM)

$56.25 - $71.75/hr

This position requires an experienced systems programmer with at least 8 years of experience supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining ...

Citigroup, Inc.

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 ...

ClifyX

MF Network System Programmer

Plano, TX · On-site

ClifyX is a company seeking a skilled MF Network System Programmer ... The role involves maintaining and supporting the Mainframe Network System, along with installing ...

M&T Bank

Systems Programmer - Mainframe Networking

$56.25 - $71.75/hr

The Systems Programmer III - Mainframe Networking role is responsible for the design ... Install, customize, and maintain mainframe network software, including but not limited to, z/OS ...

M&T Bank

Systems Programmer - Mainframe Networking

$56.25 - $71.75/hr

The Systems Programmer III - Mainframe Networking role is responsible for the design ... Install, customize, and maintain mainframe network software, including but not limited to, z/OS ...

MDAEdge

Mainframe DB2 Administrator

Plano, TX · On-site

... programmers and administrators. • Provide expert-level technical guidance on z/OS systems, Mainframe storage, networking, security, and automation. • Drive best practices in Mainframe System ...

MDAEdge

Mainframe DB2 Administrator

Fort Worth, TX · On-site

... programmers and administrators. • Provide expert-level technical guidance on z/OS systems, Mainframe storage, networking, security, and automation. • Drive best practices in Mainframe System ...

NTT DATA Services

$125K - $156K/yr

This position requires an experienced systems programmer with at least 3 years of experience supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining ...

NTT DATA Services

ZOS Network Consultant

Manhattan, NY · On-site +1

$125K - $156K/yr

This position requires an experienced systems programmer with at least 3 years of experience supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining ...

NTT DATA, Inc.

ZOS Network Consultant

Manhattan, NY · On-site

$125K - $156K/yr

This position requires an experienced systems programmer with at least 3 years of experience supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining ...

NTT DATA Services

ZOS Network Consultant

NY · On-site +1

$125K - $156K/yr

This position requires an experienced systems programmer with at least 3 years of experience supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining ...

InterSources Inc

Network Engineer

Tallahassee, FL · On-site

They are seeking a Network Engineer to improve system performance and implement network solutions ... Mainframe Emulation Tools; Knowledge of PC based software; • Strong knowledge of Local Area ...

NTT DATA, Inc.

ZOS Network Consultant

Manhattan, NY · On-site

$125 - $156/hr

This position requires an experienced systems programmer with at least 3 years of experience supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining ...

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Mainframe Network Engineer information

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How much do mainframe network engineer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for 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 is a mainframe network engineer?

A Mainframe Network Engineer is responsible for designing, implementing, and maintaining network communications within mainframe environments. They ensure the reliability, security, and performance of network connections that support mainframe operations. Their duties often include configuring network protocols, troubleshooting connectivity issues, and optimizing data transmission. They work with technologies such as VTAM, TCP/IP, SNA, and network monitoring tools. This role is critical in industries like banking, insurance, and government, where mainframes handle large-scale transactions securely and efficiently.

What are the typical daily responsibilities of a mainframe network engineer?

As a Mainframe Network Engineer, your daily responsibilities often include monitoring mainframe network performance, configuring and maintaining network infrastructure, troubleshooting connectivity or security issues, and collaborating with application and system teams to ensure seamless data flow. You may also be tasked with implementing network updates, documenting configurations, and conducting periodic security audits. This role requires both proactive planning to prevent potential issues and responsive problem-solving when network disruptions occur. Working closely with other IT professionals is common, making communication and teamwork essential for maintaining system reliability and supporting business needs.

What are the key skills and qualifications needed to thrive as a mainframe network engineer?

To thrive as a Mainframe Network Engineer, you need strong expertise in mainframe operating systems (such as z/OS), network protocols, and troubleshooting skills, typically backed by a degree in computer science or a related field. Experience with tools like IBM VTAM, TCP/IP, NetView, and relevant certifications such as IBM Certified System Administrator are often required. Attention to detail, analytical problem-solving abilities, and effective communication are valuable soft skills for success in this role. These skills help ensure the secure, reliable, and efficient operation of complex enterprise network infrastructures that are critical to business operations.

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Mainframe Network Engineer jobs near you
Infographic showing various Mainframe Network Engineer job openings in the United States as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 60% In-person, and 40% Remote job distribution, with an average salary of $109,040 per year, or $52.4 per hour.

Mainframe Network Systems Programmer (VTAM)

Ensono

Remote

$56.25 - $71.75/hr

Full-time

Re-posted 22 days ago

Job description

Worker Type:

EmployeeThe Mainframe Systems Programmer provides support for on-going projects that require the installation, testing, and implementation of new operating systems and other 'system' software. Also, the Maintenance and debugging of systems software. Coordination and the IOGEN work for new MF hardware. Research and evaluation of new software and hardware products, assisting team members and other areas with technical questions and problem resolution. Monitoring and tuning of systems software. Functional knowledge, use of z/OS components and detailed knowledge of support products such as tape management, scheduling, security, monitoring systems, etc.

In this role you will be joining a team of technical professionals supporting a large-scale z/OS systems platform. This position requires an experienced systems programmer with at least 8 years of experience supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining the integrity and data/IP security of the Mainframe's host communication subsystems and associated program products.

Responsibilities

As a Mainframe Network Specialist, you'll need to know how to:

Perform TCPIP Port Reserves (Additions, Deletions, Changes) Perform VTAM updates (Additions, Deletions, Changes)

Manage OSA Adapters in a complex Mainframe environment

Perform VTAM PU/LU updates (Additions, Deletions, Changes) including Enterprise Extenders (EE)

Understand the configuration/installation of network products (Connect Direct, ASG OUTBOUND) and support FTP, SFTP and FTP/TLS

Implement AT-TLS rules (digital certificate management). Configure and manage IPSEC policies (permit/deny rules, VPN- ipsec tunnels)

Trace, Debug and Error Analysis

Support Client Disaster Recovery Exercises

Problem and Change Management Service Request Management

Communicate regularly with technical, applications and operational staff to ensure Network connectivity and security.

Act as a Mainframe Networking resource for internal and external department projects.

Mandatory skills*

Must have extensive experience of Mainframe Network (VTAM) systems programming. This is essential to the role.

Must have knowledge of all the following z/OS, SMP/E, TSO/ISPF, USS, SDSF, JCL.

Session Management products e.g. TPX, Teleview, CL/Supersession

Network Management products e.g. NETVIEW, Netmaster/TCPIP

Must be able to work independently.

Must have excellent problem determination skills and be a true team player.

You will be required to provide off hours support for the implementation of software changes and support for other projects requiring software expertise as well as be part of an on-call rotation.

Set and achieved challenging short, medium and long term goals which exceeded the standards in their field

Excellent written and spoken communication skills; an ability to communicate with impact, ensuring complex information is articulated in a meaningful way to wide and varied audiences

Built effective networks across business areas, developing relationships based on mutual trust and encouraging others to do the same

Have some experience of creating and deploying comprehensive business/operating plans which consistently deliver desired results

Primary Location City/State:

Homebased - Downers Grove, IL - Finley, Illinois

Additional Locations (if applicable):

Ensono is an Equal Employment Opportunity Employer. Ensono provides equal employment opportunities to all qualified applicants without regard to race, color, religion, national origin, ancestry, citizenship status, sex, marital status, pregnancy, age, disability, genetic information, sexual orientation, gender identity or expression, veteran status, military status, or any other status protected by applicable law.

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About Ensono

Sourced by ZipRecruiter

At Ensono, our **Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to** **_Do Great Things!_** We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

Downers Grove, IL, US

Year founded

1969

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