Computer programmer Jobs in Longmont, CO

Job Title : zOS Systems Programmer Analyst

Additional Skills & Qualifications

• Understanding of hardware including FICON / ESCON connectivity, DASD architecture, cryptographic coprocessors, data encryption techniques, and virtual tape libraries.
• Experience with zOS SYSPLEX management.
• Skills in dataset / storage / disk / tape management including allocation, backup, restore, and management of storage constructs.
• Ability to work well in a team environment and independently as needed.
• Deep knowledge of zOS and JES System Programming.
• RACF Administration Experience (User IDs, RACF User Groups, Resources, KeyRings, .
• IBM Software Installations (ServerPacs using zOSMF, CBPDO, any related IBM Software product installs and customization).
• Preferred Skills : VTAM, TCP / IP, OSA, z / VM systems programming, Linux on z Systems, zCX (Container Extensions), DS8000, FlashCopy, tape libraries, DFSMS ACS routine and construct management.

Job Description

We are seeking an experienced zOS systems programmer to join our team in Boulder, Colorado. The successful candidate will have the opportunity to immediately contribute to zOS Mainframe related tasks and projects, utilizing, increasing, and sharing their technical knowledge and skills in mainframe operating systems. This role is specifically for an experienced systems programmer, not an application developer / programmer.

Responsibilities

Essential Skills

Work Environment

This is a part-time position, preferred for 3 days a week, totaling approximately 24 hours per week. While the role is primarily remote, the option to come into the office occasionally is available for those located nearby.

We reserve the right to pay above or below the posted wage based on factors unrelated to sex, race, or any other protected classification.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. This temporary role may be eligible for the following :

Job Type & Location

This is a Contract position based out of Boulder, CO.

Pay and Benefits

The pay range for this position is $44.90 - $61.90 / hr.

Eligibility requirements apply to some benefits and may depend on your job

classification and length of employment. Benefits are subject to change and may be

subject to specific elections, plan, or program terms. If eligible, the benefits

available for this temporary role may include the following :

Workplace Type

This is a fully remote position.

Application Deadline

This position is anticipated to close on Nov 24, 2025.

About Aston Carter :

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the ., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing double diamond winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.