Senior Delivery Director – Mainframe Application Management

About Us (Ensono)

Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients’ digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today’s systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 3500+ associates globally and is headquartered in greater Chicago.

We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications – whether it’s public, multi or hybrid cloud, or mainframe. And because we span across all mission-critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don’t feel stuck in place. With cross-platform certifications and decades of experience, our technology experts have become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning.

What You’ll Do

Client & Delivery Leadership

• Lead end‑to‑end delivery for mainframe application management engagements
• Act as the senior escalation point for delivery and relationship issues
• Build trusted relationships with client executives and stakeholders
• Lead service reviews, governance forums, and value discussions

Operational Excellence

• Ensure high‑quality delivery across application support, maintenance, and enhancements
• Drive continuous improvement in service stability, automation, and efficiency
• Oversee incident, problem, change, and release management processes
• Partner with infrastructure and platform teams to deliver integrated outcomes

Financial Management

• Own financial performance for assigned accounts, including revenue, margin, and forecasting
• Ensure delivery aligns with contractual commitments and cost models
• Support renewals, expansions, and solution enhancements

People Leadership

• Lead and develop global, distributed delivery teams
• Build a strong leadership bench and promote a culture of accountability and collaboration
• Support workforce planning and skills development initiatives

AI & Intelligent Automation for Mainframe Applications

• Apply AI‑enabled approaches to mainframe application support and development, improving speed, quality, and predictability.
• Use AI to support code analysis, change impact assessment, and defect trend identification across COBOL, batch, CICS, and DB2 workloads.
• Drive improvements in incident management, including faster triage, root cause identification, and reduction of repeat incidents.
• Leverage AI to streamline testing, documentation, and knowledge management, reducing manual effort and improving consistency.
• Support modernization and optimization initiatives by applying AI to application discovery, documentation, and rationalization efforts.
• Ensure AI usage aligns with client expectations, regulatory requirements, and enterprise governance standards.

 Modernization & Innovation

• Support mainframe optimization and modernization initiatives
• Partner with consulting and architecture teams on transformation roadmaps
• Help clients evolve their application environments while maintaining operational stability

What You Bring

• 15+ years of IT service delivery experience, with deep expertise in mainframe application management
• Proven leadership in large‑scale managed services environments
• Strong understanding of mainframe application technologies (e.g., COBOL, CICS, DB2, batch, schedulers)
• Experience using AI or intelligent automation in mainframe or legacy application environments (not solely cloud‑native or distributed systems).
• Understanding of how AI can be applied safely in regulated, high‑availability environments.
• Ability to translate AI capabilities into measurable delivery outcomes such as reduced MTTR, improved release quality, or productivity gains.

• Experience managing critical application environments for large organizations and senior client stakeholders
• Excellent communication, leadership, and problem‑solving skills

Why Ensono

• Work with long‑tenured enterprise clients and mission‑critical systems
• Influence modernization journeys while maintaining operational excellence
• Be part of a culture that values flexibility, trust, and expertise
• Lead at scale within one of the industry’s strongest mainframe service organizations

We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste, colour, creed, religion, gender, gender identity, sexual orientation, age, disability, HIV status, or any other status protected by law. Candidates with disabilities who require accommodations during the recruitment process are encouraged to contact our Talent Acquisition team to place a request.