Senior System Engineer (Linux, Cloud)

TISTA Science and Technology • Austin, TX • 20h ago

Overview

Are you a Senior System Engineer who would like to have a positive impact for millions of people? If so, we may have an opportunity for you!

TISTA associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account & Flexible Savings Account, Paid Life Insurance, Short-term & Long-term Disability, 401K Match, Tuition Reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more!

Responsibilities

Install, configure, and maintain Linux servers.

Manage system performance, uptime, and reliability across production and staging environments.

Implement and maintain user accounts, permissions, and system policies.

Apply system updates, patches, and security configurations regularly.

Deploy, configure, and manage cloud resources (VMs, storage, networking, databases, and load balancers).

Manage Infrastructure as Code (IaC) using tools such as Terraform, Ansible, or CloudFormation.

Design and implement backup, disaster recovery, and failover strategies.

Monitor cloud performance and optimize cost and efficiency.

Configure and maintain firewalls, VPNs, routing, and network security groups.

Implement identity and access management (IAM) policies and role-based access controls.

Ensure compliance with data protection and security best practices.

Automate operational processes and deployments using shell scripts, Python, or PowerShell.

Support CI/CD pipelines for software delivery.

Work closely with DevOps teams to support containerization (Docker, Kubernetes).

Utilize monitoring tools (Prometheus, Grafana, CloudWatch, Azure Monitor, etc.) to ensure system health.

Troubleshoot performance issues, outages, and configuration problems.

Provide on-call support as part of a rotating schedule.

Qualifications

Strong proficiency in Linux system administration (CentOS, Ubuntu, Red Hat).

Hands-on experience with Azure/AWS cloud services (EC2, S3, VPC, Azure VM, Azure Storage, etc.).

Familiar with IaC tools (Terraform, Ansible, CloudFormation).

Experience with scripting languages (Bash, Python, PowerShell).

Understanding of networking fundamentals, VPNs, DNS, load balancing, and firewalls.

Knowledge of containerization (Docker, Kubernetes) is a plus.

Experience with monitoring and logging tools (CloudWatch, Azure Monitor, Grafana, ELK stack).

Strong analytical and problem-solving skills.

Excellent communication and teamwork abilities.

Ability to manage multiple priorities in a fast-paced environment.

Commitment to documentation, process improvement, and operational excellence.

Certifications (Preferred)

AWS Certified SysOps Administrator or Solutions Architect

Microsoft Certified: Azure Administrator Associate

Red Hat Certified System Administrator (RHCSA) or similar

Certified Kubernetes Administrator (CKA)

Education:

Master's degree in computer science, electronics engineering or related technical discipline and 10+ years' work experience.

Ten (10) years of additional relevant experience may be substituted for education (20 years total).

Clearance:

The ability to pass a Tier 4/HIGH Background Investigation

Location:

Department of Veteran's Affairs (100% On-site)

TISTA Science and Technology • Austin, TX • 20h ago

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