SierTeK proudly serves our clients by providing expertise in the Program Management, Information Technology, and Administrative Support domains. Founded in 2007 as a minority and service-disabled veteran-owned company, we serve as prime- and subcontractor for a multitude of Federal Department of Defense contracts. By focusing on continual improvement, our services remain at the forefront of our industry, and we pride ourselves on delivering our services with the highest degree of integrity.
SierTeK Ltd. is seeking an Application Developer to support an opportunity remotely (part-time).
Essential Job Functions
- Analyze requirements, design, develop, test, and implement solutions for the CMCS system - DOD, US Air Force and government customers.
- Provide production support
- Provide system documentation
- Provide assistance to less experienced staff.
- Business challenges include development of new functionality as well as break-fix analysis and support.
- Work independently within a structured development lifecycle.
- Understand complex business requirements and interface well with other DOD and government systems.
Minimal Position Requirements
- A strong knowledge of the Z/OS environment including TSO/ISPF
- Knowledge programming languages in order of importance
- FOCUS – This system is written primarily in Mainframe FOCUS
- JCL
- REXX
- COBOL
- Assembler
- MS Office – including the following:
- Outlook
- Teams
- Word
- EXCEL
- Personal Qualifications
- A strong customer focus. Applicant should be responsive and efficient when dealing with clients.
- Strong verbal and written communication skills.
- A flexible and/or creative approach to problem solving
- Ability to work in a team environment
- Able to work with people across the country in different time zones
SierTeK is an equal opportunity employer. Employment is decided based on qualifications, merit, and business need. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, gender identity and sexual orientation.
This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation, and training.
If you need assistance or accommodation due to a disability, you may contact us at 1+833.743.7835.
Skills Required
- Strong knowledge of the z/OS environment, including TSO/ISPF
- Programming experience with Mainframe FOCUS
- Programming experience with JCL
- Programming experience with REXX
- Programming experience with COBOL
- Programming experience with Assembler
- Proficiency with Microsoft Office, including Outlook, Teams, Word, and Excel
- Strong customer focus and responsiveness when dealing with clients
- Strong verbal and written communication skills
- Flexible and creative approach to problem-solving
- Ability to work in a team environment
- Ability to collaborate with people across the country and different time zones
What We Do
Founded in 2007, SIERTEK LTD is a minority-owned and service-disabled veteran-owned small business (SDVOSB). The company provides a wide range of services to the federal government, specializing in defense and space manufacturing, program management, information technology, and administrative support, serving as both a prime and subcontractor for various missions.









