Demo

Mainframe Systems Engineer

Gen3 Technology Consulting
Washington, DC Full Time
POSTED ON 12/9/2025
AVAILABLE BEFORE 3/8/2026

About Us:
Gen3 Technology Consulting is an SBA-certified Woman-Owned Small Business (WOSB) providing a diverse set of technology services and solutions to federal and commercial clients. Founded in 2017, Gen3 leverages over 25 years of information technology management and leadership experience to help our clients define, plan, manage, and achieve their strategic vision while protecting their critical IT assets. We attract and retain the highest caliber of talent by supporting an inclusive work environment, cultivating growth and leadership both professionally and personally, and encouraging work-life balance. We strive to make it our priority to be compassionate, family-friendly, respectful, and flexible.   

About The Role:

Gen3 seeks a Mainframe Systems Engineer to provide senior-level engineering expertise covering legacy IRS mainframe environments connected to hybrid cloud data flows. The Mainframe Engineer will also support data inventory and tagging (DIT) integration, data tagging, and security control enforcement in mainframe-connected systems.

Location: Remote, US

Key Responsibilities:

  • Analyze mainframe data flows and support data tagging, classification, and protection strategies for legacy systems.
  • Integrate mainframe security with Cybersecurity Information Protection Enhancement, data loss prevention, data inventory and tagging, CASB/SASE architectures.
  • Support modernization efforts, mapping legacy data, schemas, and lineage as part of enterprise data inventory.
  • Design controls to prevent exfiltration, unauthorized replication, or misuse of mainframe data.
  • Assist with modeling, documentation, testing, and incident response workflows.

Minimum Qualifications:

  • Bachelor of science or engineering in computer science, and/or related fields.
  • 10 years mainframe engineering.
  • Experience integrating mainframe systems with cloud, data loss prevention, data inventory and tagging, and Zero Trust programs.
  • Understanding of IRS legacy systems is preferred.

*Pending Award

What's In It for You (full-time Gen3 employees):

  • Competitive compensation.
  • Comprehensive health, vision, and dental benefits.
  • Generous PTO and 11 days of paid Federal Holidays.
  • $3k annual tuition reimbursement.
  • 401(k) with a matching plan.
  • Pet insurance.
  • Life and AD&D insurance.
  • Short-term and Long-term disability insurance.

Employment Eligibility: Eligible to work for any employer in the United States without requiring sponsorship. Most of our positions require a government security clearance, you must be a US Citizen or Green Card holder for consideration. Certain positions require at least three (3) of the past five (5) years of residence in the United States.

Other Requirements:

  • A minimum of three (3) out of the past five (5) years of residency in the United States is mandatory.
  • Candidates must possess either an active green card or citizenship.
  • Prospective employees offered a position must have work authorization that does not necessitate employer-sponsored visa sponsorship, both presently and in the future.
  • Those selected for this role may undergo a government security investigation and must meet the eligibility criteria for accessing classified information or be eligible for security clearances.
  • Location: Gen3 is currently focusing its hiring efforts in these states: Alabama, Arizona, Colorado, DC, Florida, Georgia, Kentucky, Maryland, Missouri, North Carolina, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Texas, Virginia, and Wisconsin.

Veteran and HubZone-friendly employer.

E-Verify Employer. EOE Statement: Gen3 is an equal opportunity employer. We adhere to all federal regulations and ensure that our hiring practices are based solely on merit. We do not discriminate against any applicant based on race, color, sex, sexual orientation, gender identity, religion, national origin, disability, or veteran status. All qualified applicants will receive consideration for employment.

Accommodation: Please contact the recruiting team at recruiting@gen3technology.com if you would like to request a reasonable accommodation during the application or interviewing process.

Salary : $100,000 - $115,000

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