TSS Mainframe Security Engineer Senior - REMOTE at General Dynamics

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We are GDIT. We support and secure some of the most complex government, defense, and intelligence projects across the country. At GDIT, cyber security is not just a singular part of our mission-it connects every one of us because it's embedded into every aspect of what we do.

GDIT Technology Shared Services (TSS) is your place! You make it your own by bringing your ideas and unique perspective to our culture. By owning your opportunity at GDIT, you are helping us ensure today is safe and tomorrow is smarter.

At GDIT, people are our differentiator. As a Mainframe Security Engineer Senior supporting the Rensselaer Data Center, you will be trusted to provide technical support of mainframe security in a large, complex multi-LPAR mainframe environment utilizing RACF, TSO, DB2, CICS.

In this role, a typical day will include the responsibilities below:
  • Monitor mainframe operations to identify potential security violations
  • Assist with maintaining overall system health of mainframe/LPARs
  • Heavily support user provisioning involving mainframe TSO accounts/accesses (also, have basic understanding of Active Directory)
  • Collaborates with infrastructure, technical, operations and application development teams to provide architectural security as well as technical security guidance
  • Manages mainframe security certificates
  • Monitors for security violations and addresses accordingly
  • Advocates for security and compliance
  • Support ongoing projects that affects mainframe operations (z/OS upgrades, etc.)
  • Support mainframe operations within Disaster Recovery environment as required
  • Discovers security control gaps and proposes solutions for implementation
  • Creates, analyzes and updates technical documentation of mainframe operating procedures
  • Follows and applies configuration & security standards (CIS Benchmarks) and policies using Change Management processes as needed
  • Fulfills ticket requests via ServiceNow (basic understanding of ServiceNow is pertinent but optional as OJT is available via MyLMS/Udemy)
  • Participates in 24x7 on call rotation

Required qualifications:
  • High School Diploma or GED and nine (9) years of experience with mainframe z/OS systems
  • Or Bachelor's degree in computer science or related field and five (5) years of experience with mainframe z/OS systems
  • Ability to be proactive, decisive, and action-oriented
  • Advanced ability to multi-task, to be self-initiated, and work independently
  • Excellent organizational, research, analytical and/or problem-solving skills to evaluate situations, make recommendations, and take effective action
  • Knowledge and skill in technical problem resolution
  • Strong time management skills
  • Strong communication skills

Preferred qualifications:
  • Any mainframe certifications (z/OS Mainframe Practitioner, etc.)
  • Any cybersecurity certifications (CISSP, Security+, etc.)

  • Full-flex work week
  • 401K with company match
  • Internal mobility team dedicated to helping you own your career
  • Collaborative teams of highly motivated critical thinkers and innovators
  • Ability to make a real impact on the world around you
  • Not sure this job's the one for you? Check out our other openings at gdit.com/careers. Do you have a friend or colleague this posting describes? Let them know about the opportunity by clicking "Share."


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More Information on General Dynamics
General Dynamics operates in the Aerospace industry. The company is located in Reston, VA, Fairfax, VA, Falls Church, VA, Sterling Heights, MI, Groton, CT, Bath, ME, Savannah, GA, St. Petersburg, FL and San Diego, CA. General Dynamics was founded in 1952. It has 13790 total employees. It offers perks and benefits such as Flexible Spending Account (FSA), Dental Benefits, Vision Benefits, Health Insurance Benefits, 401(K) and Employee Stock Purchase Plan. To see all 906 open jobs at General Dynamics, click here.
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