Position Description

Company Profile

Founded in 1976, CGI is among the largest independent IT and business consulting services firms in the world. With 94,000 consultants and professionals across the globe, CGI delivers an end-to-end portfolio of capabilities, from strategic IT and business consulting to systems integration, managed IT and business process services and intellectual property solutions. CGI works with clients through a local relationship model complemented by a global delivery network that helps clients digitally transform their organizations and accelerate results.

CGI Fiscal 2024 reported revenue is CA$14.68 billion and CGI shares are listed on the TSX (GIB.A) and the NYSE (GIB). Learn more at cgi.com.

Job Title: AS400 Admin - SME

Position: LA/AC

Experience: 10-12 years

Category: Software Development/Engineering

Shift: 5:30 PM to 2:30 AM IST

Main location: Bangalore, Chennai, Hyderabad

Position ID: J0926-1799

Employment Type: Full Time

Education Qualification: Bachelor's degree in Computer Science or related field or higher with minimum 10 years of relevant experience

Job Summary

Experience Required: 10–12+ Years

Job Summary

We are seeking an industry recognized Principal AS/400 (IBM i) Systems Architect &

- Platform Engineering Lead (L4 Support / Architecture) to steer the strategic design, enterprise resilience, hybrid cloud evolution, and modernization of our mission critical IBM Power Systems ecosystem. In this executive level engineering role, you will serve as the apex technical authority across the global IBM i platform, establishing the long term infrastructure roadmap, platform governance, and high availability frameworks that underpin core enterprise transactional systems.

The successful candidate will act as the highest tier of internal escalation for unprecedented platform challenges, lead strategic multi year technology transformations (including IBM Power10 migrations, IBM Power Virtual Server / PowerVS hybrid integrations, and multi region continuous availability), and drive automation frameworks (Ansible for IBM i, Git/DevOps pipelines, and QSYS2 SQL data architectures). This role focuses strictly on enterprise infrastructure architecture, high availability topology, operating system internals, systems capacity, and platform modernization—collaborating directly with Chief Technology Officers (CTOs), Enterprise Architecture Review Boards (ARB), IBM Rochester lab fellows, and global infrastructure engineering directors.

Key Responsibilities

- Strategic Infrastructure Architecture &
- Multi Year Platform Roadmap
- Architect, direct, and govern the global enterprise IBM Power Systems strategy across multi datacenter on premises deployments and hybrid cloud instances (IBM PowerVS / Hybrid Cloud).
- Define the multi year technology lifecycle roadmap for IBM i operating systems (IBM i 7.4, 7.5, and roadmap to next generation releases), PowerVM hypervisors, and IBM Power hardware generations (Power9 to Power10 / Power11 readiness).
- Establish enterprise infrastructure standards, platform security baselines, and architectural reference models for compute virtualization, storage topologies, and high speed networking.
- Chair platform architecture reviews within the Enterprise Architecture Review Board (ARB), aligning core mainframe/midrange systems investments with enterprise digital transformation initiatives.
- Apex (Level 4) Escalation &
- Complex Failure Forensics
- Serve as the supreme technical authority and ultimate escalation point for unprecedented, systemic, or high impact (Sev 0 / Sev 1) outages across global production environments.
- Lead deep tier internal forensics on catastrophic system crashes, complex Licensed Internal Code (LIC) bugs, machine checks, multi subsystem hangs, and silent data corruptions.
- Conduct advanced Main Storage Dump (MSD) decompilations, SLIC trace analysis, and system processor registers inspection using System Service Tools (SST), Dedicated Service Tools (DST), and native debugging tools.
- Direct direct engineering engagements with IBM Level 3 Lab Support, Rochester Development Teams, and vendor product architects to drive kernel level defect resolution and Authorized Program Analyses (APARs).
- Continuous Availability, Active Active Clustering &
- Georedundant DR
- Architect, test, and govern global High Availability (HA) and Disaster Recovery (DR) frameworks capable of delivering near zero Recovery Point Objectives (RPO) and Recovery Time Objectives (RTO).
- Design hybrid and active active clustering models utilizing IBM PowerHA SystemMirror, Geographic Mirroring (GeoMirror), Metro Mirror, Global Mirror, and logical replication engines (Precisely MIMIX, Maxava).
- Architect end to end multi datacenter failover systems combining Independent Auxiliary Storage Pools (IASP), San Volume Controller (SVC), HyperSwap topologies,



and automated DNS/IP redirect automation.
- Govern and sign off on annual enterprise wide DR role swaps, failover simulations, and cyber resiliency disaster exercises without business disruption.
- Enterprise Storage Architecture &
- Cyber Resiliency Engineering
- Formulate global storage architectures integrating enterprise SAN storage arrays (IBM FlashSystem 9500, DS8000), NVMe oF fabrics, and Fiber Channel over Ethernet (FCoE) fabrics attached to IBM i.
- Architect immutable backup topologies, Safeguarded Copy, isolated air gapped recovery environments, and ransomware cyber vaults protecting IBM i mission critical data.
- Direct the global BRMS (Backup, Recovery, and Media Services) network architecture, policy automation, optical/virtual tape library (VTL) grid replication, and cloud object storage tiering.
- Validate and enforce cold start, bare metal recovery runbooks for total datacenter destruction scenarios.
- Virtualization, PowerVM Topology &
- Workload Optimization
- Architect large scale enterprise PowerVM virtualization across high density Power10 enterprise servers (E1080 / E1050), establishing NPIV SAN multi pathing, Dual/Quad VIOS clustering, and Shared Ethernet Adapter (SEA) failover topologies.
- Engineer shared processor pool hierarchies, dynamic capping/uncapping formulas, Live Partition Mobility (LPM) automation, and enterprise workload balancing strategies.
- Implement IBM Power Enterprise Pools 2.0 (PEP 2.0), optimizing flexible compute capacity and multi system core/memory sharing to optimize IBM software licensing costs.
- Direct Hardware Management Console (HMC) infrastructure architectures, high availability HMC clustering, and REST API automation integrations.
- Modernization, Infrastructure as Code (IaC) &
- DevOps Automation
- Drive platform modernization by introducing contemporary Infrastructure as Code (IaC) and automation using Ansible for IBM i, Python, and open source tooling running in PASE.
- Architect and implement systemic operational health reporting using contemporary Db2 for i SQL Services (QSYS2) to replace legacy manual CL based commands.
- Integrate IBM i platform telemetry into enterprise observability platforms (Splunk, Dynatrace, Datadog, Prometheus) using syslog forwarders and performance metric extractors.
- Champion CI/CD pipeline integration for systems software, PTF regression testing environments, and automated configuration compliance validation.
- Enterprise Security Hardening, Cryptography &
- Compliance Governance
- Formulate and enforce zero trust security architectures at Security Level 50, implementing strict separation of duties, adopted authority restrictions, and object integrity protection.
- Architect field level data encryption (FieldProc), native encryption for data at rest, SSL/TLS cryptographic hardware acceleration (Crypto Coprocessor / CCA), and secure communication channels.
- Establish comprehensive audit logging pipelines leveraging QAUDJRN, filtering, and correlating security critical operations for global Security Operations Centers (SOC).
- Lead platform defense and audit compliance against global regulatory standards (PCI DSS 4.0, SOX, HIPAA, GDPR, ISO 27001), serving as the lead infrastructure defender for external regulatory audits.
- Technical Leadership, Engineering Governance &
- Mentorship
- Provide technical governance, code reviews, and architectural oversight to L2 administrators and L3 systems engineers across global centers of excellence.
- Establish standard operating blueprints, engineering guidelines, disaster playbooks, and configuration templates across all enterprise IBM i deployments.
- Partner with business unit executives and IT leadership to evaluate commercial software vendors, capacity requirements, and infrastructure budgets.
- Champion industry best practices, represent the organization at global IBM Power technical symposiums, and mentor top tier engineering talent.

Required Qualifications

- Education: Bachelor's or Master's degree in Computer Science, Computer Engineering, Information Systems, or equivalent advanced technical experience.
- Experience: Minimum of 12–16+ years of progressive, dedicated enterprise experience in IBM i (AS/400) Systems Administration, Operating System Engineering, and Enterprise Infrastructure Architecture.
- Scale of Experience: Proven background leading the architecture and resiliency of high volume, mission critical IBM i environments (75+ LPARs,



multi datacenter Power9/Power10 environments, multi terabyte transactional databases in Banking, Insurance, Retail, or Logistics).

Required Technical Skills

- OS Internals &
- Advanced Diagnostics: Mastery of IBM i architecture from microcode/SLIC through OS layers; expert command of SST/DST, advanced MSD triage, machine check recovery, LIC traces, and PMR/APAR management.
- Power Hardware &
- Virtualization Architecture: Expert level mastery of IBM Power9/Power10 enterprise platforms, advanced PowerVM, redundant VIOS design, Live Partition Mobility (LPM), PEP 2.0, and HMC architecture.
- High Availability &
- Zero Downtime DR: Deep architectural expertise in designing, implementing, and recovering active active and active passive solutions using PowerHA SystemMirror, Precisely MIMIX, Remote Journaling (RJ), and SAN HyperSwap.
- Enterprise Storage &
- IASP: Comprehensive architecture of Independent Auxiliary Storage Pools (IASP), SAN Volume Controller (SVC), FlashSystem array integration, Safeguarded Copy, and bare metal recovery.
- Backup &
- Cyber Resiliency: Advanced architecture of multi node BRMS network groups, enterprise VTL grids, cloud storage tiering, and air gapped cyber recovery vaults.
- Modern Systems Automation: Strong expertise with Ansible for IBM i, QSYS2 / Db2 for i Services, advanced CL programming, Python scripting within PASE, and REST API system integration.
- Performance Engineering &
- Capacity Planning: Mastery of Collection Services, Performance Tools (PT1), Performance Data Investigator (PDI), Job Watcher, Disk Watcher, IBM i Doctor, and long term CPW capacity modeling.
- Security &
- Regulatory Architecture: Advanced implementation of Security Level 50, FieldProc, Cryptographic Coprocessors, QAUDJRN stream forensics, and compliance frameworks (PCI DSS, SOX, ISO 27001).

Preferred Qualifications

- IBM Certified System Architect / Solution Expert –
- IBM Power Systems &
- IBM i.
- Certified High Availability Specialist (Precisely Certified MIMIX Professional or IBM PowerHA Specialist).
- Hands on architecture experience deploying hybrid cloud topologies (IBM PowerVS on IBM Cloud or AWS/Azure connectivity).
- Active participation in international IBM technical groups (e.g., COMMON, IBM Champions, or Technical Advisory Councils).
- TOGAF or comparable enterprise architecture certification.

Key Competencies
- Visionary Platform Strategy: Ability to translate complex business strategies into highly available, secure, and modern midrange compute architectures.
- Elite Crisis Resolution: Proven composure and commanding leadership when guiding cross functional teams through unprecedented, high visibility infrastructure crises.
- Executive Presence &
- Stakeholder Alignment: Exceptional ability to articulate deep technical constraints, risks, and ROI trade offs to senior IT directors and C suite executives.
- Engineering Mentorship &
- Culture of Excellence: Dedication to fostering an environment of technical rigor, continuous learning, and infrastructure modernization.

Working Conditions
- Ultimate tier of technical escalation for 24x7 Critical Severity (P0/P1) enterprise outages.
- Technical oversight and presence during critical annual business cutovers, major datacenter migrations, and live DR role swaps.
- Collaboration with distributed engineering hubs, executive stakeholders, and global platform teams across various time zones.boration with global engineering teams and operational hubs across multiple time zones.

Your future duties and responsibilities Required Qualifications To Be Successful In This Role

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

Come join our team—one of the largest IT and business consulting services firms in the world.

📌 Admin- SME (Bengaluru)
🏢 CGI
📍 Bengaluru