Mainframe Developer, Subject Matter Expert

Trilogy Innovations, Inc.; Bridgeport (WV); Remote; USD 90,000 - 130,000; Full time

Job summary

Join a forward-thinking company as a Mainframe Developer Subject Matter Expert, where your expertise will drive modernization strategies for critical IT systems. In this remote role, you'll lead cross-functional teams and bridge legacy systems with new technologies, making a significant impact on federal modernization initiatives. With a focus on the criminal justice domain, you'll engage in strategic planning and technical documentation while enjoying professional development opportunities and comprehensive benefits. If you're passionate about transforming legacy systems and eager to contribute to meaningful projects, this role is perfect for you.

Benefits

401(k) plan with company match

Medical, dental, vision insurance

Health Savings Account (HSA) options

Ongoing education and certifications

Qualifications

• 10+ years of professional experience in mainframe development and architecture.
• Strong knowledge of legacy Computer Software Configuration Items (CSCIs).
• Experience maintaining legacy system documentation.

Responsibilities

• Lead technical teams in the design and development of legacy mainframe systems.
• Provide subject matter expertise on legacy technologies.
• Collaborate with Product Management to align technical strategy with business goals.

Skills

Enterprise COBOL for z/OS

CA Gen

CICS

DB2

JCL

IBM utilities (IDCAMS, IEFBR14, ICETOOL, ICEMAN)

TSO/ISPF

Legacy APIs

Education

Bachelor’s degree in Computer Science

Job description

Mainframe Developer, Subject Matter Expert

Join to apply for the Mainframe Developer, Subject Matter Expert role at Trilogy Innovations, Inc.

Mainframe Developer, Subject Matter Expert

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Join to apply for the Mainframe Developer, Subject Matter Expert role at Trilogy Innovations, Inc.

Location: Remote (with occasional travel to Bridgeport, WV)

Clearance Required: Active Secret Clearance (Tier 3)

Employment Type: Full-Time / W(2)

Overview

Trilogy Innovations, Inc. is seeking a Mainframe Development Subject Matter Expert (SME) to support a high-impact federal modernization program. This is a remote position supporting our federal customer in Clarksburg, WV, and offers the opportunity to contribute to a multi-year initiative focused on transforming large-scale, mission-critical IT systems.

As a Mainframe SME, you will lead cross-functional technical teams, drive modernization strategies, and serve as a critical resource in bridging legacy systems with new technologies. This role is ideal for a senior-level developer or architect with deep expertise in mainframe technologies, particularly within the criminal justice domain.

Key Responsibilities

• Lead technical teams in research, analysis, design, development, testing, and documentation of legacy mainframe systems.
• Provide subject matter expertise on legacy technologies and architectures, including their integration with existing business processes.
• Offer guidance on how modernization efforts impact legacy systems and the broader criminal justice ecosystem.
• Collaborate closely with the Product Management Team to align technical strategy with business objectives.
• Partner with business analysts to evaluate new requirements and their effects on legacy systems.
• Develop strategic plans, define business processes, and produce technical requirements related to mainframe systems.
• Maintain and enhance system documentation for legacy technologies and associated toolsets.
• Design business workflows and contribute to the creation of functional/user requirements using system documentation tools.
  
  

Required Qualifications:

• Bachelor’s degree in Computer Science, Information Systems, or related field.
• 10+ years of professional experience in mainframe development and architecture.
• Active Secret Clearance (Tier 3).
• Strong knowledge of government system legacy Computer Software Configuration Items (CSCIs) and their relationship to Computer Hardware Configuration Items (CHCIs).
• Proficient in legacy programming languages and tools including:
• Enterprise COBOL for z/OS
• CA Gen
• CICS
• DB2
• JCL
• IBM utilities (IDCAMS, IEFBR14, ICETOOL, ICEMAN)
• TSO/ISPF
• Understanding of internal/external messaging and legacy APIs.
• Experience maintaining legacy system documentation and supporting ongoing enhancements.
• Familiarity with modern mainframe architecture trends and integration strategies.

Why Join Trilogy Innovations?

• Professional Development: Ongoing education, certifications, and growth opportunities.
• Retirement Savings: 401(k) plan with company match.
• Comprehensive Benefits: Medical, dental, vision, life, and disability insurance.
• Health Savings Account (HSA): Company-supported HSA options.
  
  

About Trilogy Innovations

Trilogy Innovations, Inc. is a certified 8(a), minority-owned systems and software engineering firm delivering forward-thinking solutions to both government and commercial clients. Since 2010, our expert teams have supported agencies such as the FBI, U.S. Air Force, NASA, DOE, DHS, SOCOM, and others—alongside industries like Oil & Gas and Land Management.

We take pride in delivering high-quality, mission-critical solutions while fostering a collaborative, innovative, and inclusive workplace.

Equal Opportunity Employer

Trilogy Innovations, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

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