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Senior Systems Engineer (Mainframe Systems Programmer)
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Application and Interview Impersonation Notice: Impersonating another individual when applying for employment, and/or participating in an interview process to assist another individual in obtaining employment, with Precisely Software Incorporated (“Precisely”) is unlawful. If Precisely identifies such fraudulent conduct, then as applicable and to the extent permitted by law, the application will be rejected, an offer (if made) will be rescinded, or the employment will be terminated, and legal action may be taken against the impersonators.
Precisely is the leader in data integrity. We empower businesses to make more confident decisions based on trusted data through a unique combination of software, data enrichment products and strategic services. What does this mean to you? For starters, it means joining a company focused on delivering outstanding innovation and support that helps customers increase revenue, lower costs and reduce risk. In fact, Precisely powers better decisions for more than 12,000 global organizations, including 95 of the Fortune 100. Precisely's 2500 employees are unified by four company core values that are central to who we are and how we operate: Openness, Determination, Individuality, and Collaboration. We are committed to career development for our employees and offer opportunities for growth, learning and building community. With a "work from anywhere" culture, we celebrate diversity in a distributed environment with a presence in 30 countries as well as 20 offices in over 5 continents. Learn more about why it's an exciting time to join Precisely!
Precisely is an AI-first organization. All employees are expected to demonstrate proficiency in applying AI tools to accelerate their work, improve output quality, and eliminate low-value tasks. Candidates should be comfortable using generative AI tools (e.g., Microsoft Copilot, ChatGPT) in their day-to-day workflows, able to evaluate AI-generated outputs critically, and open to continuously adopting new AI capabilities as they emerge.
Overview:
We are seeking a skilled Mainframe Systems Programmer to support, maintain, and enhance our IBM z/OS mainframe environment. This role is responsible for installing, configuring, upgrading, and tuning system software amd hardware to ensure high availability, performance, and security of mission critical systems. The ideal candidate will work closely with application development, operations, security, and infrastructure teams to support both production and non-production environments.
What you will do:
- Monitor system performance, and resource utilization, diagnose root cause, and remedy.
- Shared responsibility for maintaining the z/OS and JES2 software environment.
- Work with application programmers to ensure that application problems do not adversely affect production operations.
- Provide guidance to application programmers where appropriate.
- Assist with the analysis, design, programming, and implementation of internal products.
- Develop/maintain/monitor proper system use and security policies and rules.
- Create, maintain, and upgrade operating system software for development environments.
- Analyze requirements and recommend policies, procedures, and standards for operating system software.
- Implement and verify backup and recovery procedures.
- Install new z/OS releases as they become available and configure to support Development environments.
- Keep supported systems current with the latest maintenance provided by IBM to Maintain system reliability and ensure availability.
- Be available after hours for emergencies or exceptional situations concerning the mainframe environment.
- Resolve any system-related problems that may arise in a timely and efficient manner.
What we are looking for most or all of:
- Minimum 7 years of experience as a Mainframe Systems Programmer.
- Strong hands on experience with IBM z/OS in an enterprise environment.
- Deep understanding of JCL, DASDM, catalogs and VSAM.
- Understanding of Parallel Sysplex, Coupling Facilities, shared DASD, and related.
- Experience with SMP/E, system upgrades, and maintenance processes.
- Solid understanding of JES2, system libraries, and z/OS initialization and configuration.
- Solid understanding of the hardware and how it works, including DS8000, VTL, HMC, CSM.
- Experience with system IPLs and system recovery activities.
- Familiarity with mainframe security concepts and tools (e.g., RACF).
- Familiarity with other IBM strategic products such as z/VM, CICS, IMS, DB2.
- Ability to produce and review RMF and SMF-based reports.
- Knowledge of TCP/IP AT-TLS, encryption and certificates.
- Some programming experience in one of Assembler, Rexx, Python, C or PL/I would be favorable.
- Good understanding of USS, OMVS and bash-family scripting.
- Experience of cloud backups would be useful.
#LI-KM1 #LI-Remote
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Expert Mainframe Solutions Architect
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At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things! We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.
We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose.
About the role and what you'll be doing:
The Ensono Mainframe Solution Architect leverages knowledge of IBM mainframe technology to help document, shape, and direct the technology roadmap for Ensono and for our clients. Your work will include communicating directly with our customers senior executives and leadership to identify and address technology gaps, strategic goals, and business imperatives impacted by IBM infrastructure technologies. Your role will be to solution new technologies or new approaches to achieve customers achieve their business goals. These solutions must be developed using methodologies that integrate technology innovation with existing governance and enterprise architecture processes. Day to day tasks will include: providing fully costed solution architecture that meets client requests; maintain and update documentation related to organization-wide IT activities and technology roadmaps; communicate progress and direction through formal presentations, collaborative meetings, and content publishing to mixed audiences.
Key Responsibilities
- Presales Leadership
- Lead technical discussions, workshops, and proof-of-concepts with clients.
- Respond to RFPs/RFIs with detailed solution architectures and proposals.
- Partner with sales teams to craft winning strategies and value propositions.
- Solution Architecture
- Design robust mainframe solutions leveraging z/OS, CICS, DB2, IMS, RACF, MQ, JCL, COBOL.
- Define modernization roadmaps (API enablement, hybrid cloud integration, DevOps pipelines).
- Ensure scalability, security, and compliance in proposed architectures.
- Client Advisory
- Act as a trusted advisor to C-level executives and technical stakeholders.
- Translate complex technical solutions into clear business outcomes and ROI.
- Present modernization strategies aligned with industry best practices.
- Thought Leadership
- Stay ahead of emerging trends in mainframe modernization, hybrid IT, and cloud.
- Mentor junior architects and presales consultants.
- Contribute to internal knowledge repositories and solution accelerators.
Core Mainframe Components Expertise
- Operating Systems: z/OS, z/VM, z/VSE
- Transaction Systems: CICS, IMS, Batch (JCL)
- Databases: DB2 for z/OS, VSAM
- Programming Languages: COBOL, PL/I, Assembler, REXX
- Middleware & Integration: IBM MQ, API enablement, REST/JSON services
- Security: RACF, enterprise IAM integration
- DevOps & Modernization Tools: z/OSMF, Git/Jenkins pipelines, hybrid cloud connectors
Required Qualifications
- 15+ years of experience in mainframe technologies with at least 5 years in solution architecture/presales.
- Proven track record in mainframe modernization projects (cloud migration, API enablement, DevOps adoption).
- Strong communication and presentation skills, capable of engaging both technical and business audiences.
- Experience across industries such as banking, insurance, telecom, and retail.
- Ability to lead cross-functional teams and influence decision-making at executive levels.
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.
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Apply to Ensono