Unix​/Linux L3 Administrator

Location

Alpharetta, GA 30005

Shift timings are 7:00 AM to 9:30 PM by 2 members on a weekly rotation: morning shift starts at 7:00 AM, afternoon shift starts at 12:00 Noon.

Unix/Linux L3 Administrator

12+ months, Potential to Convert

• Provide SRE support to the Firm's critical infrastructure (Oxygen Systems) in a Follow‑The‑Sun model.
• Provide rotational on‑call support, weekend project work.
• Perform proactive health & hygiene tasks to maintain operational stability and compliance for risk & control programs.
• Collaborate with engineering teams to test and certify new hardware & software products.
• Engage with clients to understand business demand, needs & support during outage scenarios.
• Onboard new UNIX assets for growth or large programs such as new datacenter build‑outs.

• 6+ years of Unix/Linux Administration Enterprise‑level experience in a large, distributed environment.
• Experience with project management, incident & change management, and reporting.
• In‑depth knowledge of Linux (Red Hat) with good knowledge in Solaris.
• Detailed knowledge of TCP/IP and associated technologies (NFS, NIS, DNS, DHCP).
• Detailed knowledge of Unix system monitoring and reporting.
• Detailed knowledge of server firmware upgrade.
• Detailed knowledge of NTP/Time Keeper, time synchronization technologies.
• In‑depth knowledge of vulnerability assessment and server patching.
• Programming level knowledge of Shell, Perl/Python.
• Ability to troubleshoot, resolve complex problems with a fix‑it‑once‑for‑everywhere mentality and automation mentality.
• Effective oral and written communication skills and interpersonal skills, and ability to work well in a global‑team environment.
• Strong organizational skills and ability to manage multiple tasks and high‑pressure situations for outage handling, management, or resolution.

• Knowledge of Infoblox DDI solution.
• Certification in Red Hat Enterprise Linux.
• Knowledge of Veritas Cluster Server or similar high availability product.
• Knowledge of Ansible, Open Shift, Kubernetes.
• Veritas Volume Manager.
• Prior experience working in the financial services industry.