Sr. Systems Engineer

Systems Engineer (Z/OS Storage) – RemoteARC Group has an immediate opportunity for a Z/OS Storage Administrator! This position is 100% remote. This is starting out as a contract position running through January 2027 with potential to extend longer or possibly convert to FTE. This is a fantastic opportunity to join an established and well-respected organization offering tremendous career growth potential. At ARC Group, we are committed to fostering a diverse and inclusive workplace where everyone feels valued and respected. We believe that diverse perspectives lead to better innovation and problem-solving. As an organization, we embrace diversity in all its forms and encourage individuals from underrepresented groups to apply.Description: Seeking an experienced Senior z/OS Storage Administrator to design, manage, and optimize enterprise storage environments supporting mission-critical mainframe workloads. This role requires deep expertise in IBM z/OS storage architecture, with a focus on high-performance, high-availability environments leveraging IBM DS8950 disk systems and TS7700 virtual tape solutions. Serve as a key role in ensuring data integrity, performance, and resilience while supporting ongoing modernization and capacity planning initiatives.Key Responsibilities:Administer and support z/OS storage subsystems, including DASD and virtual tape environmentsManage and optimize storage on IBM DS8950 arrays and TS7700 Virtual Tape LibrariesConfigure and maintain SMS, including Client routines, storage groups, and policiesPerform capacity planning, performance analysis, and tuning of storage environmentsImplement and maintain disaster recovery and business continuity solutionsMonitor storage health and performance using RMF, SMF, and vendor toolsLead storage-related projects, including hardware upgrades, migrations, and refreshesTroubleshoot and resolve complex storage issues across hardware and software layersEnsure compliance with organizational security, audit, and data governance requirementsCollaborate with systems programmers, DBAs, and application teams to support workload requirementsDevelop and maintain documentation, standards, and operational proceduresProvide off-hours support and participate in on-call rotation as requiredRequired Qualifications:5-8 years of hands-on experience in z/OS storage administrationStrong expertise with IBM DS8000 series, specifically DS8950Experience with IBM TS7700 Virtual Tape Library (VTL) systemsDeep knowledge of z/OS storage concepts: DFSMS, HSM, RMM, VSAM, catalog management, Thin ProvisioningExperience with replication technologies (e.g., Metro Mirror, Global Mirror)Proficiency in performance monitoring and tuning tools (RMF, SMF, OMEGAMON or equivalent)Strong understanding of JCL, TSO/ISPF, and mainframe utilitiesExperience with disaster recovery planning and testingAbility to analyze and resolve complex technical issues independentlyStrong documentation and communication skillsPreferred Qualifications:Experience with GDPS or similar enterprise DR orchestration solutionsFamiliarity with z/OS UNIX System Services (USS) and storage considerationsKnowledge of encryption, key management, and data protection technologiesExperience with SAS and MXGExperience with automation toolsExposure to hybrid cloud or mainframe integration initiativesSoft Skills:Strong problem-solving and analytical thinkingAbility to lead initiatives and mentor junior staffEffective communication with both technical and non-technical stakeholdersDetail-oriented with a focus on reliability and operational excellenceRequired Experience: 5-8 years of related work experience or equivalent combination of transferable experience demonstrating proficiency and experience in design, implementation, monitoring and troubleshooting technologyRequired Education: Related Bachelor's degree in an IT related field or relevant work experience