UNIX/Linux Sr. Systems Administrator (Projects)

What Success Looks Like In This RolePosition TitleSenior Systems Engineer – Linux (Project Implementation)Position SummaryWe are seeking a Senior Systems Engineer with deep expertise in UNIX, and Linux platforms to lead and deliver infrastructure and platform implementation projects supporting mission-critical environments.This role is heavily focused on design, build, migration, modernization, and integration initiatives, rather than day-to-day operations. The ideal candidate will have a strong background in deploying enterprise systems, leading technical implementations, and driving infrastructure transformation efforts, particularly in hybrid UNIX/Linux ecosystems.Key ResponsibilitiesLead and execute end-to-end infrastructure implementations, including system builds, migrations, upgrades, and decommissioning activitiesDesign and deploy UNIX and Linux environments aligned with enterprise architecture standardsDrive platform modernization initiatives, including OS upgrades, consolidation, and automation adoptionImplement and integrate application server platforms (e.g., WebSphere, WebLogic) within high-availability architecturesPerform environment build-outs for new applications, ensuring scalability, resilience, and performance requirements are metCollaborate with cross-functional teams (application, network, storage, security) to support project delivery and system integrationDevelop and execute deployment plans, runbooks, and cutover strategies for production releasesAutomate system provisioning and configuration using Ansible, shell scripting, or similar toolsConduct performance validation, tuning, and capacity planning during and after implementationImplement security controls, system hardening, and compliance requirements as part of build processesSupport data center migrations, cloud/hybrid transitions, and platform transformationsProduce and maintain engineering documentation, including build standards, architecture diagrams, and implementation guidesProvide post-implementation knowledge transfer to operations teams and limited escalation supportYou will be successful in this role if you have:Required QualificationsBA/BS degree and 6-8 years’ relevant experience OR equivalent combination of education and experienceExtensive hands-on experience with UNIX environments, with a strong focus on system build and deployment activitiesProven experience delivering infrastructure or platform implementation projects in enterprise environmentsStrong expertise in Linux (RHEL, CentOS, or equivalent) in build, migration, and integration scenariosExperience with application server deployment and configuration (e.g., WebSphere, WebLogic)Demonstrated ability to execute system migrations, upgrades, and large-scale rolloutsExperience with automation and Infrastructure as Code practices (Ansible, shell scripting, or similar)Solid understanding of system performance tuning, validation, and troubleshooting during project deliveryFamiliarity with enterprise security standards and implementation of hardened buildsExperience working in regulated or highly controlled enterprise environmentsKnowledge of virtualization platforms (e.g., VMware) and enterprise storage solutionsPreferred QualificationsExperience with IBM Power Systems and AIX-specific project implementationsExposure to cloud or hybrid infrastructure deployments (Azure, AWS)Familiarity with CI/CD pipelines and DevOps practicesExperience in data center migrations or workload relocationsKnowledge of ITIL change and release management processesKey CompetenciesStrong project execution and delivery mindsetAbility to translate requirements into technical designs and implementation plansExcellent troubleshooting and problem-solving during high-impact deploymentsEffective collaboration with multiple engineering and application teamsProactive approach to automation and continuous improvementBenefit HighlightsUnisys offers an outstanding benefits package, featuring unlimited paid time off, a 401(k) match, comprehensive healthcare, HSA matching, ongoing learning opportunities, and more! We’re committed to supporting work-life balance and investing in your future success.Video Interview NoticeAt Unisys, we incorporate video interviews as a key part of our hiring process. This allows us to get to know you better and provide a more engaging and convenient interview experience. We appreciate your understanding and look forward to connecting with you virtually!This role may require access to export-controlled commodities and technology. Therefore, to conform to U.S. export control regulations, applicant should be eligible for any required authorizations from the U.S. Government.Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com or alternatively Toll Free: 888-560-1782 (Prompt 4). US job seekers can find more information about Unisys’ EEO commitment here.