Senior Capacity Planner

Ensono

. Serve as the primary mainframe capacity planning lead and trusted advisor for a dedicated client environment .

Posted 10/22/2026full-timeUnited StatesSenior💰 $90,000 - $152,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in mainframe capacity planning, including performance analysis, forecasting model development, and automation solutions. Proven ability to lead complex projects, mentor team members, and communicate effectively with diverse audiences.

Highest-signal resume keywords

Mainframe Capacity PlanningJCL ProficiencyMXG ExperienceIBM Z Capacity On DemandPerformance Management Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mainframe ProgrammingAutomation SolutionsCapacity Planning MethodologiesForecasting ModelsPerformance Optimization StrategiesResource Utilization AnalysisWorkload ManagementImpact AnalysisTechnical Architecture ReviewsRoot Cause Analysis

Soft Skills

Exceptional Communication SkillsMentoringKnowledge SharingProblem SolvingClient-Focused Solutions

Tools & Technologies

REXXMicrosoft OfficeSub-Capacity Reporting ToolIBM ZCP3000Capacity Planning Tools

Industry Keywords

Mainframe Market LandscapeSystem AvailabilityKey Performance IndicatorsCapacity AssessmentsWorkload Growth

About the role

Key responsibilities & impact

Serve as the primary mainframe capacity planning lead and trusted advisor for a dedicated client environment
Analyze mainframe performance, workloads, and resource utilization to optimize capacity, efficiency, and system availability
Develop and maintain forecasting models, trending analyses, and capacity plans to support future business and technology needs
Design, implement, and enhance automation solutions that streamline capacity planning processes and improve operational efficiency
Establish, monitor, and refine key performance indicators (KPIs) and metrics aligned with client commitments and organizational goals
Perform impact analyses and capacity assessments across IBM Z, z/OS, and supporting subsystems to support workload growth and technology changes
Provide advanced technical expertise for architecture reviews, technology refresh initiatives, workload migrations, and client onboarding projects
Lead complex capacity planning projects independently while managing competing priorities and delivering client-focused solutions
Mentor junior team members, deliver training, promote knowledge sharing, and influence technical strategies across teams
Support capacity-related incident investigations, root cause analysis, and continuous improvement initiatives while serving as a thought leader in mainframe capacity management

Requirements

What you’ll need

Bachelor's degree and 10+ years of related experience; or a Master's degree with 6+ years of related experience; or an equivalent combination of education and professional experience
Strong understanding of the mainframe market landscape, including current technologies, industry trends, and business drivers
Experience with mainframe programming, automation, or process optimization initiatives
Proficiency with JCL, REXX, and other mainframe scripting or automation technologies
Hands-on experience with MXG and/or other mainframe capacity planning and performance management tools
Advanced proficiency with Microsoft Office applications, including Excel, Word, and PowerPoint
Experience with IBM Z Capacity on Demand (CoD) and IBM ZCP3000 capacity planning methodologies
Knowledge of IBM mainframe pricing models, software licensing, and Sub-Capacity Reporting Tool (SCRT)
Demonstrated ability to identify, analyze, and resolve mainframe capacity and system performance challenges
Strong understanding of z/OS internals and key mainframe subsystems, including workload and resource management concepts
Exceptional verbal and written communication skills with the ability to present technical concepts to both technical and non-technical audiences
Proven ability to define, organize, and execute work independently in complex, ambiguous, and rapidly changing environments
Preferred: Experience with IBM Z Capacity on Demand (CoD), ZCP3000, SCRT, and mainframe pricing models
Preferred: Advanced expertise with MXG or comparable capacity and performance management tools
Preferred: Experience developing forecasting models, capacity plans, and performance optimization strategies for enterprise-scale IBM Z environments
Preferred: Prior experience leading automation initiatives within mainframe operations or capacity planning functions

Benefits

Comp & perks

Unlimited Paid Days Off
Three health plan options through Blue Cross Blue Shield
401k with company match
Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
Paid Maternity Leave, Paternity Leave, and Sabbatical Leave
Education Reimbursement, Student Loan Assistance or 529 College Funding
Enhanced fertility coverage
Wellness program
Flexible work schedule
Depending on location, ability to take advantage of fitness centers
Annual bonus plan based on company and individual performance, depending on eligibility
Equity grant under the Associate Equity Appreciation Program, depending on eligibility
Option to work from home or in Ensono offices when not required on a client site