Ensono
Ensono

42 Ensono Data Center Engineer Jobs Hiring Near You

Mainframe Network Systems Programmer (VTAM)

$56.25 - $71.75/hr

Responsibilities include configuring and maintaining the integrity and data/IP security of the ... Ensono is an Equal Employment Opportunity Employer. Ensono provides equal employment opportunities ...

Understanding of migration of data from one subsystem to another for both Tape and DASD. Experience ... Cost Center : E2412 * Prospective candidate Organization : Global PMO and Implementation * WD ...

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Ensono Jobs Information

What is it like to work at Ensono?

Ensono is a company that values collaboration and innovation, fostering a culture of teamwork and continuous learning among its employees. As a global IT services provider, Ensono offers a dynamic work environment with a flat organizational structure, allowing employees to take on diverse roles and responsibilities, and work on a wide range of projects that support its mission to deliver exceptional IT services to its clients. Working at Ensono may appeal to candidates who are looking for a challenging and rewarding career in IT, with opportunities to develop new skills, work on complex projects, and contribute to the company's growth and success.

What makes Ensono an attractive place to work?

Ensono is a leading IT services company that specializes in hybrid IT management, offering a unique blend of traditional IT services and cloud-based solutions to its clients. The company fosters a collaborative and innovative work environment, where employees can engage in cutting-edge projects, develop new skills, and work closely with cross-functional teams to deliver exceptional results. By joining Ensono, professionals can tap into a wide range of opportunities for growth, professional development, and making a meaningful impact in the industry.

What are the most popular categories at Ensono?

Infographic showing various Data Center Engineer job openings at Ensono in the United States as of August 2026, with employment types broken down into 96% Full Time, and 4% Nights. Highlights an 59% Physical, and 41% Remote job distribution.

Mainframe Network Systems Programmer (VTAM)

Ensono

Remote

$56.25 - $71.75/hr

Full-time

Re-posted 18 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

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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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