AceInfo Solutions, Inc.

Mainframe Application Developer

Regular Full-Time


Ace Info Solutions, Inc. (AceInfo) is a leading Federal contractor with a focused vision: empower our clients, challenge our employees, and grow our business. Founded in December 2000, we are deeply committed to ensuring quality and customer satisfaction. We have a mature corporate infrastructure, strong management, and quality practices. AceInfo is a trusted IT partner to the Federal Government, and we help various agencies transform and strengthen their processes, operations, infrastructures, and security practices to help them further their critical missions.

For over 15 years, we have successfully managed large and significant Federal programs. We have proven experience prioritizing client satisfaction, project quality, and providing innovative, cost-effective solutions to Federal clients.

AceInfo is prime on 95% of our contracts, is headquartered in Reston VA, and has geographically dispersed office locations throughout the country, to include: Kearneysville, WV; Chesapeake, VA; Fort Collins, CO; Boulder, CO; Quantico, VA; Kansas City, MO; Bowie, MD; multiple Washington, DC Metropolitan locations, and project presence in 23 states in all time zones. We offer excellent benefits and salary packages including free medical/dental/life insurance premiums for staff members. We offer relocation assistance for internal employees and external candidates, within 50 miles (minimum) of work location. We do not offer assistance for relocation and housing for internship positions.



AceInfo is seeking a Mainframe Application Developer to support our upcoming federal project, in Springfield, VA. 



Provide support in operating 24x7x365, via on-call support during nonstandard business hours. The program operates critical high-transaction applications on two (2) IBM z-series mainframes. This platform supports key core services for the mission critical systems including passenger and cargo processing. The z/OS production systems are fully replicated at our continuity site with automated failover. The Agency’s mission critical data repositories reside in Datacom, DB2, and Oracle databases and utilize Customer Information Control System (CICS) and WebSphere Message Queue (MQ) transactions. As the Agency migrates to our open systems target architecture, this function will be critical to the planning and execution of migration and retirement activities.


  • Engineer, install, maintain and customize IBM z-series or later processors running the z/OS operating system in a Parallel Systems Complex (Sysplex) environment to support 24x7x365 availability.
  • Provide configuration, implementation and maintenance support for z/OS-related ISV products and apply latest maintenance concurrent with the z/OS bi-monthly maintenance cycle. Support required for, but not limited to, the following products: CA-Top Secret, CAOPS/ MVS, CA-MIM, CA-1, CA-7, CA-11, CA-Dispatch, CA-Sysview, CA-ROSCOE, CA-Auditor, Content Manager, ASG-TMON, JES2, Syncsort, FDR products, Hitachi Business Continuity Manager, TREX, VPS, Phoenix, Dimensions, VTAM, TCPIP, Netview, Pagent, TPX, Zen Exigence, Implex and FTPAlert, TN3270, VPS Anyqueue, etc.
  • Create and maintain an up-to-date mainframe knowledge base to include Mainframe Standard Operating Procedures (SOPs), infrastructure logical and physical diagrams, system configuration baselines, implementation plans, back-out plans, system recovery plans, maintenance plans, system upgrades, off hours callout and escalation procedures, and a record of all system changes.
  • Provide technical support for the upgrade, installation, configuration, implementation, and maintenance of the transaction processing systems.
  • Respond to incidents according to the Government approved Incident Response Plan developed as part of the Task.
  • Provide 24x7x365 integration support for all Mainframe components (including networking) and supported applications interfaces, including but not limited to MQ/DataPower support products (commercial-off-the-shelf and proprietary), networking technology, and storage management.
  • Respond to incidents according to the government approved Incident Response Plan developed as part of the EOC Task.





Minimum Education:

Bachelor’s Degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience (Bachelor of Science (BS) can be substituted with an additional 4 years of related experience, and a Master of Science (M.S.) can be substituted with an additional 2 years of related experience).


Minimum Requirements:

    • 10 years of overall IT experience.
    • 8 years of Application Development experience including experience with large complex technology projects.
    • Experience in solid design, coding, testing and debugging skills in multiple technologies, functions and industries.
    • Detailed knowledge of project lifecycle and software development lifecycle deliverables including version and revision control practices and procedures 
    • Ability to document solutions with MS Office products: Outlook, Word, Excel, Visio, SharePoint, and Project.
    • Must have ability to effectively communicate, verbally and in writing, with management and peers.
    • Excellent customer interface, coordination, and organizational skills.
    • Utilize interpersonal skills when interacting with multiple candidates and government organizations.
    • Familiarity with Mainframe Standard Operating Procedures (SOPs)
    • Expert knowledge is required for core z/OS functions, mainframe network products, and related subsystems.
    • Strong analytical and problem solving skills 




Security Clearance Requirement:

DHS-CBP Cleared

Any active secret clearance is a plus



IBM z-series mainframes

z/OS production systems



Oracle databases

Customer Information Control System (CICS)

WebSphere Message Queue (MQ) transactions


AceInfo is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity, disability or veteran status.



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