This is a rare opportunity to lead a globally distributed engineering team at the forefront of mission-critical, High Availability infrastructure. As a
Head of High AvailabilitySystems Engineering, you will own the strategy, stability, and evolution of a large-scale z/TPF, Stratus, and I-Series estate that underpins enterprise-grade operations around the clock. If you thrive at the intersection of deep technical mastery and senior leadership, this role offers the scope, complexity, and impact to match your ambition.
Key Responsibilities:Team Leadership & Talent Development- Lead, mentor, and grow a high-performing global team of z/TPF, Stratus, and I-Series Systems Programmers
- Foster a culture of engineering excellence, continuous learning, and accountability across geographically distributed teams
- Set clear performance expectations and develop career pathways for senior technical contributors
Platform Engineering & System Management- Oversee the installation, configuration, maintenance, and upgrades of z/TPF, Stratus, and I-Series software environments
- Drive end-to-end lifecycle management of complex, large-scale HA infrastructure - from hardware components to operating systems and related software
- Administer and optimize the IBM Security Portal, ensuring robust vulnerability management practices are embedded across the estate
Performance Optimization & Capacity Planning- Proactively monitor system performance, identify bottlenecks, and architect solutions that maximize throughput and reliability
- Lead capacity planning initiatives, translating business growth projections into actionable infrastructure roadmaps
- Implement performance tuning strategies across z/TPF, VOS, and IOS environments
Security & Compliance- Champion comprehensive security policies and procedures that protect sensitive data and preserve system integrity
- Maintain deep familiarity with mainframe security tooling, including Crypto, FICON, and platform-specific security utilities
- Ensure compliance with enterprise security standards and regulatory requirements
Business Continuity & Disaster Recovery- Architect and maintain enterprise-grade disaster recovery solutions, with expert-level command of storage replication technologies
- Lead continuity-of-business planning, testing, and execution to ensure zero-compromise availability for critical systems
Cross-Functional Collaboration & Process Improvement- Partner closely with application support, database administration, and network engineering teams to deliver integrated, resilient solutions
- Identify and implement process improvements that drive operational efficiency, reduce toil, and elevate engineering standards
- Maintain rigorous, up-to-date documentation of system configurations, runbooks, and troubleshooting procedures
Skills Required:Technical Expertise- Deep, hands-on expertise in z/TPF Administration, including system programming, tuning, and troubleshooting at enterprise scale
- Proficiency with Stratus VOS and I-Series IOS operating systems and associated toolsets
- Strong working knowledge of mainframe hardware and software ecosystems, including Crypto, FICON, and platform utilities
- Demonstrated experience with IBM Security Portal and enterprise vulnerability management frameworks
- Expert-level understanding of disaster recovery architectures and storage replication technologies
Leadership & Soft Skills- Proven track record of leading and scaling global, senior-level engineering teams in high-stakes environments
- Exceptional analytical and problem-solving capabilities - able to diagnose and resolve complex, multi-layered system failures under pressure
- Outstanding communication and stakeholder management skills, with the ability to translate technical complexity for executive audiences
- Strategic thinker who balances long-term platform vision with day-to-day operational excellence
- Collaborative leader who builds trust across organizational boundaries and drives alignment across diverse IT disciplines
Minimum Qualification:- 15+ years of overall experience in systems engineering or infrastructure roles
- Minimum 8 years of hands-on z/TPF Administration experience in large-scale, production environments
- Demonstrated experience managing global engineering teams in a senior leadership capacity
- Proven expertise in High Availability systems design, disaster recovery, and business continuity planning
Education:- Bachelor's degree/University degree or equivalent experience
- Master's degree preferred
This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.
Job Family Group: Technology
Job Family:Systems & Engineering
Time Type:Full time
Primary Location:Rutherford New Jersey United States
Primary Location Full Time Salary Range:$170,000.00 - $300,000.00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills Please see the requirements listed above.
Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.
Anticipated Posting Close Date:Aug 09, 2026
Automated Processing and AIWe use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.
Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.
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