Staff Systems Mainframe Engineer

The Home Depot

Staff Systems Mainframe Engineer at Home Depot leading and supporting enterprise mainframe infrastructure engineering. Responsible for system reliability, performance, and security across multiple platforms.

Posted 7/21/2026full-timeRemote • Texas • 🇺🇸 United StatesLead💰 $90,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Expertise in z/OS mainframe infrastructure management, including systems programming, performance tuning, and security administration. Proven ability to lead teams in the design and implementation of robust technical solutions while optimizing operational efficiency.

Highest-signal resume keywords

Z/OS Mainframe Infrastructure SupportCore z/OS Systems ProgrammingPerformance, Capacity & MonitoringSecurity AdministrationWorkload Automation & Scheduling

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Z/OS Systems ProgrammingSMP/E for Product InstallationParallel Sysplex ManagementTCP/IP NetworkingRACF Security AdministrationRMF/SMF AnalysisREXX ScriptingDB2 for z/OS AdministrationAnsible Configuration ManagementDebug Tool for z/OS

Soft Skills

Team LeadershipCollaborationProblem SolvingDocumentationCross-Training

Tools & Technologies

Z/OS Management FacilityCA-7 Automation ToolOMEGAMON Monitoring ToolMQ Series SupportZSecure Security Tool

Industry Keywords

Mainframe InfrastructureHigh AvailabilityVirtualizationMiddlewareData Protection

Tech Stack

Tools & technologies

AnsibleNFSPythonSMTPSQLTCP/IP

About the role

Key responsibilities & impact

The Staff Systems Mainframe Engineer is responsible for leading a team of engineers designing, building, and supporting The Home Depot's technical infrastructure of hardware and system software that drives the success of Home Depot and our customers.
Senior z/OS mainframe engineer responsible for the reliability, performance, and security of our enterprise mainframe environment.
This role backfills critical expertise lost to recent retirements and eliminates single-person dependencies across Parallel Sysplex, scheduling and automation, networking, security, and diagnostics.
Leads configuration, debugging, and support for information technology solutions; Leads field and corporate rollouts of technology; Leads the stand up of necessary system software, hardware, and equipment (physical or virtual) to meet changing infrastructure needs.
Creates and optimizes specifications for technology solutions; Produces and manages purchase requests for hardware and software; Leads development of test suites (functional, destructive, etc) to enable successful rapid deployment of infrastructure as code to production.
Keeps abreast of innovations and industry trends as well as changes to internal systems and determines how they impact tools, training, and support necessary to keep systems up, running, and secure.
Participates in and contributes to learning activities around modern systems engineering core practices (communities of practice); Proactively views articles, tutorials, and videos to learn about new technologies and best practices being used within other technology organizations.
Researches and analyzes business trends and behavioral data to identify strategic opportunities for improvements and new initiatives; Leads the evaluation, development, and recommendation of specific strategic technology to provide cost-effective solutions that meet THD requirements.
Collaborates with product and project teams to understand needs and enable them with infrastructure; Supports technology architecture design review efforts for project and product teams; Leverages tooling and custom applications to monitor the operational status of applications, infrastructure, networks, databases, and security; optimizes and tunes performance as appropriate.

Requirements

What you’ll need

8+ years supporting production enterprise z/OS mainframe infrastructure.
Core z/OS systems programming: base control program, JES2/JES3, JCL, IPL, JES2 commands, and batch management.
Software installation & maintenance: hands-on experience with SMP/E for product installation and maintenance.
Hardware: z/Architecture hardware experience across z13 / z14 / z15 / z16.
Parallel Sysplex / High Availability: Sysplex Distributor, Coupling Facility, GRS (Global Resource Serialization), and Workload Manager (WLM).
I/O configuration: HCD / HCM administration of IODF / IOCDS / IOCP.
Workload automation & scheduling: CA-7 / CA-11, automated operations tooling (AutoOps and/or OPS/MVS), and batch optimization (ThruPut Manager or equivalent).
Extensive Mainframe networking: TCP/IP (ports, devices, VIPA, SMTP), VTAM, NFS, and SAN (FCIP) / Fibre Channel / FICON connectivity.
Experience in security administration: RACF and/or ACF2 including digital certificates and keyrings, plus authentication and data-protection tooling (Vanguard, Imperva, zSecure, ICSF cryptography).
Performance, capacity & monitoring: RMF/SMF analysis, plus ISV monitoring tools (OMEGAMON and/or MAINVIEW).
Scripting & customization: REXX, CLIST, system utilities, and exit routines.
Modern management: zOSMF (z/OS Management Facility).
Demonstrated ability to document platforms and cross-train peers to reduce single-person dependencies.
Diagnostics / problem determination: Debug Tool for z/OS, Fault Analyzer, IPCS/GTF.
Output management: Deliver, View, and spool/print operations.
Storage / data-copy: BCV4 (ESAI) or comparable replication/copy tooling.
Virtualization: z/VM operating system exposure.
DB2 for z/OS: administration, DB2 utilities / IBM Admin Tool, DB2 Connect, replication (DPROPR), and SQL / SPUFI / QMF.
DB2 specialty tooling (Broadcom / Platinum): Insight for DB2, RC tools (RC/Migrator, RC/Compare), Log Analyzer, Subsystem Analyzer, Plan Analyzer.
Middleware: MQ Series / IBM MQ support.
Modernization / configuration management: Ansible, Zowe, Python.

Benefits

Comp & perks

Health insurance
401(k) matching
Paid time off