Mainframe Security Engineer

Computer Task Group, Inc

Phoenix, Arizona

JOB DETAILS
SKILLS
ACF2 (Access Control Facility 2), Access Control, Administrative Skills, Analysis Skills, Business Solutions, CISM - Certified Information Security Manager, CISSP - Certified Information Systems Security Professional, Communication Skills, Compensation and Benefits, Computer Science, Computer Security, Cryptography, Digital Certificates, Disaster Recovery, EAD, English Language, Federal Laws and Regulations, HIPAA (Health Insurance Portability and Accountability Act), IBM Mainframe Operating System, IBM Product Family, IBM Rexx Programming Language, IBM z-OS Operating System, Identify Issues, Incident Response, Information Technology & Information Systems, Internet Security, JCL (Job Control Language), Legal, Mainframe Computer, PCI-DSS, Presentation/Verbal Skills, RACF (Resource Access Control Facility), Recruiting/Staffing Agency, Sarbanes-Oxley Act (SOX), Scripting (Scripting Languages), Security Attacks, Security Auditing, Security Infrastructure, State Laws and Regulations, Top Secret Clearance, U.S. National Institute of Standards and Technology (NIST), Writing Skills
LOCATION
Phoenix, Arizona
POSTED
13 days ago
Description:

CTG is seeking a Mainframe Security Engineer to support and secure enterprise IBM z/OS environments for our client. This role is responsible for administering mainframe security controls, managing user access, supporting compliance initiatives, monitoring system activity, and protecting critical infrastructure from security threats and unauthorized access.

 

Location: Phoenix, AZ metro area (Hybrid working model)
Duration: 6 months with option to convert after 6 months
Citizenship Requirement: USC, Permanent Resident, or other EAD holders only (no visa-dependent candidates)

Key Responsibilities

  • Administer and maintain security controls for IBM z/OS mainframe environments
  • Configure and manage RACF, ACF2, and/or Top Secret security platforms
  • Implement RBAC, privileged access management, and user access controls
  • Monitor audit logs, security events, and system activity for potential threats
  • Perform vulnerability assessments and remediation activities
  • Support compliance initiatives including SOX, PCI-DSS, HIPAA, and NIST
  • Configure encryption, MFA, certificates, and secure communications
  • Automate security administration tasks using REXX, JCL, or scripting tools
  • Support incident response, forensic investigations, and disaster recovery planning
  • Collaborate with cybersecurity, infrastructure, audit, and application teams

Required Skills

  • Strong experience with IBM z/OS security administration
  • Hands-on expertise with RACF, ACF2, or CA Top Secret
  • Knowledge of IAM, RBAC, and privileged access controls
  • Experience with mainframe security auditing and compliance
  • Familiarity with encryption technologies and MFA integration
  • Scripting and automation experience using REXX and JCL
  • Strong troubleshooting and analytical skills

Qualifications

  • 5+ years of experience in mainframe security engineering or administration
  • Experience supporting enterprise or highly regulated environments preferred
  • Bachelor’s degree in IT, Computer Science, Cybersecurity, or related field preferred
  • CISSP, CISM, or IBM security certifications are a plus

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

 

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

 

To Apply:
To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you!

About Us:

CTG, a Cegeka company, delivers IT and business solutions that enhance clients’ digital agility, empowering them to seize new opportunities and overcome any challenge. Backed by more than 60 years’ experience and a commitment to being a reliable, results-driven partner, we work shoulder to shoulder with clients to shape digital together. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. With more than 9,000 team members in over 15 countries, we combine global expertise with local insight to deliver innovative solutions. We operate across the Americas, Europe, and India, working with over 3,000 clients in many of today's highest-growth industries.

Together, we shape what’s next—working shoulder to shoulder to deliver impactful solutions for our clients and society. Our culture is built by the people who work at CTG, the values we hold, and the actions we take. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. At CTG, you’ll find a workplace where you are encouraged to grow, supported in your ambitions, and empowered to shape your own career journey. For more information, visit www.ctg.com.

CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws.

CTG is an Equal Opportunity Employer. CTG will assure equal opportunity and consideration to all applicants and employees in recruitment, selection, placement, training, benefits, compensation, promotion, transfer, and release of individuals without regard to race, creed, religion, color, national origin, sex, sexual orientation, gender identity and gender expression, age, disability, marital or veteran status, citizenship status, or any other discriminatory factors as required by law. CTG is fully committed to promoting employment opportunities for members of protected classes.

 

About the Company

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Computer Task Group, Inc

CTG (NASDAQ: CTG) provides industry-specific IT services and solutions that address the business needs and challenges of clients in high-growth industries in North America and Western Europe. CTG also provides strategic staffing services for major technology companies and large corporations. Backed by more than 50 years of experience and proprietary methodologies, CTG has a proven track record of reliably delivering high-value, industry-specific staffing services and solutions to its clients. CTG has operations in North America, Western Europe, and India.

CTG's greatest asset is its people, and as such, we are committed to providing employees programs and processes to support their performance, hone their skills, and advance in their careers. This commitment is reflected by CTG being named a Best Places to Work in Healthcare company by Modern Healthcare (2013-2016) in North America, and a Best Workplace in the United Kingdom (2013), Belgium (since 2007), and Luxembourg (since 2011).

CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws.

CTG is an Equal Opportunity/Affirmative Action Employer and strong advocate of workforce diversity. Minority/Female/Sexual Orientation/Gender Identity/Disability/Veteran.
COMPANY SIZE
2,500 to 4,999 employees
INDUSTRY
Computer/IT Services
FOUNDED
1966
WEBSITE
http://www.ctg.com/