Linux Sysadmin - Neysa Networks

Senior Systems Administrator : Linux

Minimum Experience: 10 years
Type: Full Time

 

Role Specifics

In this role you'll …

• Work with an online, service provider grade, state of the art computing grid built to provide supercomputing levels of performance for high end jobs.
• Ensure availability and uptime of all computing resource.
• Work with developers other users and coach them to use their system to the fullest, without breaking it.
• Keep an eye on workloads on the system, making sure that each gets access to the resources committed. Keep all workloads working, but fairly.
• Interact with peers who have had decades of experience in various supporting infrastructure systems and work with them to maintain a high performing system at all times.
• Work with vendors and OEMs, often guiding them to the requirements of your unique environment.

On Day One, You Will Need to Be Proficient With…

 

Must-Have Skills

• Linux Systems Management
• Networking and Firewall Management
• Security Management
• Storage Management
• Virtualization and Kubernetes
• Kernel and Driver Management
• Troubleshooting and Performance Optimization
• Automation and Scripting

Added Bonuses If You Have Experience With…

• Programming and Development Support
• Benchmarking and Systems Performance Acceptance Criteria
• Documentation and Compliance

What Separates the Best From the Rest

Work with users! All users are not created equal, and often they may lack (or may not be interested in) understanding of how their actions can affect system performance. Your attitude in dealing with (often frustrating, to you) would be critical in maintaining a good working order.

What You Can Expect…

• The best equipment which complements your talents.
• The best tools in the business for you to bring your ideas to life.
• A great environment.
• Flexible work hours, and flexible work locations.
• The opportunity to make your mark and shape the future.
• And have fun…

The Technical Skill Tree

Things You Must Know…

• Linux, in its various flavors viz. RedHat, Ubuntu, Rocky, Debian etc.
• Networking, storage, access management mechanisms.
• Linux kernel internals like scheduling algorithms, disk management, PCIE subsystems, memory and swap space management.

Great If You Know…

• Cluster software like slurm and how they work, their dependencies and how to troubleshoot job scheduling.
• Cloud computing, working with hyper-scale providers, interconnects etc.

We’ll Help You Out On…

 

• Tools, tools and more tools. From evaluating memory management to CPU spinlocks and deadlocks.
• Job queue management, re-prioritizing and de-prioritizing.
• Working with external systems like security, load balancing, monitoring.
• Shell scripting, including advance techniques using awk, sed, tck/tk etc.
• Storage management internals viz. IOPs, disk performance, RAID, erasure coding, file systems.
• Popular file systems, disk management, corruption recovery, network attached and direct s
• Supporting infrastructure software like web servers, load balancers, databases, and their internals.
• Firewalling and networking, the way it is done in Linux systems.