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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Infrastructure UNIX Sr Engineer - **Company:** BayOne - **Location:** Sunnyvale, CA, United States - **Experience:** Expert - **Salary:** $176,800.0 - $208,000.0 - **Contract:** Temporary to permanent - **Skills:** Active Directory, User Authentication, Bash Shell, Unix, Ubuntu (Operating System), CentOS, Software as a Service, Cloud Computing, Cyber Security, Continuous Integration, Dynamic Host Configuration Protocol, Desktop Computing, DevOps, Domain Name System (DNS), Message Transfer Agent, Perl (Programming Language), VMware ESX Servers, FreeBSD, Github, Python (Programming Language), Kerberos (Protocol), Lightweight Directory Access Protocols (LDAP), Unix Shell, Network Time Protocols, Red Hat Enterprise Linux, Reverse Engineering, Security Assertion Markup Language (SAML), Sendmail, Virtualization Technology, High Performance Computing, IT Architecture, Firewalls (Computer Science), Postfix, Kubernetes, Information Technology, Bare Metal, Patch Management, Ansible Tower, Docker, Jenkins - **Published:** November 7, 2026 - **Apply:** https://www.dice.com/job-detail/b0e4a79c-cd8e-4214-a7f1-f93bf15199cc ## About the Role * Minimum bachelor's in a computer science/engineering degree or equivalent combination of education and experience. * 5 years experience as a senior UNIX/Linux system administrator across the full life-cycle. * Experience working with an outsourcing partner that operates and maintains the infrastructure. * Strong CI/CD experience with GitHub, AWX, Ansible Tower, Foreman, and/or Jenkins. * In-depth UNIX development with shell, Python, and Perl scripting. * Experience designing, developing, implementing, and testing enterprise-scale solutions. * Hands-on implementing multiple infrastructure operational and management solutions. * All-rounded experience of distributed networks, segmentation/firewalls, IP services (DNS, NTP, DHCP), IdM (Authentication/Authorization), LDAP, SSSD, Kerberos, SAML, and Active Directory. * Knowledge of enterprise cybersecurity standards, frameworks, and best practices including operating system hardening control sets. * Ability to independently solve complex problems with the operating system. * Taking ownership, being self-sufficient, ability to prioritize workloads, and execute daily tasks. * Strong communication skills - Written and oral., * Experience with High Performance Computing (HPC) and supporting infrastructure. * Experience with enterprise UNIX mail server migrations (sendmail, postfix, Exim). * Experience of infrastructure deployments for manufacturing and supply chain operations. * In-depth knowledge of Kubernetes platform and Container/Docker implementations. * Experience in end-to-end automated server builds and pipelines. * Knowledge of enterprise patch management services. * Understanding of Infoblox would be desirable. ## Description The role delivers in-depth technical DevOps expertise across the full life-cycle, both within IT and across the organization. The role has the project level expertise to plan, review, evaluate, guide, and deliver all aspects of UNIX/Linux life-cycle management across the enterprise. The role has the technical - hands-on - expertise to design, develop, build, and test UNIX/Linux operating system management capabilities including owning incidents to satisfactory resolution. The role reports to the IT Architecture Sr Manager within the IT Infrastructure team. The role will be operating within a brownfield environment, in parallel to working on projects that will instantiate greenfield solutions and be responsible for transitional activities. The UNIX/Linux operating systems include, but are not limited to, Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu, and FreeBSD. It is a heterogeneous environment requiring broad knowledge of external identity providers, hybrid on-premises and cloud hosting (bare-metal, virtualization, Kubernetes, containers) as well as integrations with multiple third-party SaaS, automation, and management tools., * Design, develop, maintain, and support UNIX/Linux operating system CI/CD for bare-metal, ESX virtualization, and AMIs. * Network build and qualify RHEL9 on end-user desktop/workstation hardware including runtimes, modules, and a full application stack. * Physical onsite delivery and installations within labs, infrastructure build, and staging environments. * Engage with internal customers to seek agreement on operating system builds, deployment, installation, configuration, compliance, and implementation. * Develop infrastructure as code using Unix shell, Python, and Perl scripting in conjunction with GitHub. * Manage automations using AWX, Red Hat Ansible Tower, Foreman, and/or Jenkins. * Research the best products and technologies to meet defined requirements and objectives. * Produce high and low-level design, workflow, connectivity, and procedural documentation. * Perform in-depth troubleshooting and reverse engineering to support incident/problem tickets. * Integrate with network, storage, hypervisors, and applications.