UNIX/Linux Sr. Systems Administrator (Projects)
Role details
Job location
Tech stack
Job description
We 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., * Lead and execute end-to-end infrastructure implementations, including system builds, migrations, upgrades, and decommissioning activities
- Design and deploy UNIX and Linux environments aligned with enterprise architecture standards
- Drive platform modernization initiatives, including OS upgrades, consolidation, and automation adoption
- Implement and integrate application server platforms (e.g., WebSphere, WebLogic) within high-availability architectures
- Perform environment build-outs for new applications, ensuring scalability, resilience, and performance requirements are met
- Collaborate with cross-functional teams (application, network, storage, security) to support project delivery and system integration
- Develop and execute deployment plans, runbooks, and cutover strategies for production releases
- Automate system provisioning and configuration using Ansible, shell scripting, or similar tools
- Conduct performance validation, tuning, and capacity planning during and after implementation
- Implement security controls, system hardening, and compliance requirements as part of build processes
- Support data center migrations, cloud/hybrid transitions, and platform transformations
- Produce and maintain engineering documentation, including build standards, architecture diagrams, and implementation guides
- Provide post-implementation knowledge transfer to operations teams and limited escalation support
Requirements
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., * BA/BS degree and 6-8 years' relevant experience OR equivalent combination of education and experience
- Extensive hands-on experience with UNIX environments, with a strong focus on system build and deployment activities
- Proven experience delivering infrastructure or platform implementation projects in enterprise environments
- Strong expertise in Linux (RHEL, CentOS, or equivalent) in build, migration, and integration scenarios
- Experience with application server deployment and configuration (e.g., WebSphere, WebLogic)
- Demonstrated ability to execute system migrations, upgrades, and large-scale rollouts
- Experience with automation and Infrastructure as Code practices (Ansible, shell scripting, or similar)
- Solid understanding of system performance tuning, validation, and troubleshooting during project delivery
- Familiarity with enterprise security standards and implementation of hardened builds
- Experience working in regulated or highly controlled enterprise environments
- Knowledge of virtualization platforms (e.g., VMware) and enterprise storage solutions
Preferred Qualifications
- Experience with IBM Power Systems and AIX-specific project implementations
- Exposure to cloud or hybrid infrastructure deployments (Azure, AWS)
- Familiarity with CI/CD pipelines and DevOps practices
- Experience in data center migrations or workload relocations
- Knowledge of ITIL change and release management processes
Key Competencies
- Strong project execution and delivery mindset
- Ability to translate requirements into technical designs and implementation plans
- Excellent troubleshooting and problem-solving during high-impact deployments
- Effective collaboration with multiple engineering and application teams
- Proactive approach to automation and continuous improvement
Benefits & conditions
Unisys 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.
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