Systems Engineer

As a Systems Engineer II, you will be responsible for designing, implementing, maintaining, and securing enterprise Linux platforms with a primary focus on Red Hat Enterprise Linux, while also supporting distributions such as Ubuntu and related Linux variants. This role supports highly available, secure, and well-controlled infrastructure that underpins critical business services in a regulated financial services environment across on-premises, virtual, and cloud-hosted platforms., * Administer, maintain, and troubleshoot enterprise Linux servers with primary responsibility for Red Hat Enterprise Linux and supporting knowledge of Ubuntu and other Linux distributions.

• Install, configure, patch, upgrade, and harden Linux operating systems, core services, and supporting packages across development, test, and production environments.
• Manage system performance, availability, capacity, and operational health through monitoring, tuning, log analysis, and proactive maintenance.
• Implement and maintain security controls including user and group administration, file permissions, SSH, sudo, PAM, SELinux, firewall configuration, certificate updates, and vulnerability remediation.
• Execute compliance and hardening activities using SCAP, STIG, CIS benchmarks, and NIST-aligned controls; document findings, remediation plans, exceptions, and operational evidence for audits and reviews.
• Support Linux workloads hosted on virtualized, cloud, and hybrid infrastructure, including integration with VMware, storage, backup, monitoring, networking, and identity platforms.
• Develop and maintain automation for provisioning, patching, configuration management, health checks, and routine administration using Bash, Python, Ansible, or similar tools.
• Provide advanced troubleshooting and root cause analysis for infrastructure incidents impacting operating system, middleware, application, storage, network, or security services.
• Support backup, recovery, business continuity, and disaster recovery planning and testing for Linux-based systems and services.
• Participate in platform upgrades, migrations, lifecycle management, and enterprise change activities while following established operational, risk, and change control processes.
• Create and maintain technical documentation, runbooks, standards, procedures, and change records that support operational consistency and knowledge transfer.
• Collaborate with cybersecurity, network, database, cloud, and application teams to support secure, resilient, and high-performing production services., 5 to 8 years of progressively responsible Linux systems administration experience in enterprise environments, including strong hands-on administration of Red Hat Enterprise Linux, server patching, troubleshooting, security hardening, scripting, and support of virtualized infrastructure., * This role requires flexibility for after hours and weekend work, as needed, to perform changes and maintenance without impacting business operations.

A 4-year degree in Information Systems, Computer Science, Computer Engineering, or a related field is preferred. Equivalent combinations of education, certifications, and directly related enterprise Linux administration experience will also be considered. Experience in regulated industries such as financial services, healthcare, or government is strongly preferred.