Senior System Engineer (Linux, Cloud)

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!

• 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.

• 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)
• Monday - Friday (8:00 AM - 4:30 PM CST Time)
• Austin Information Technology Center (AITC)

1615 Woodward Street,

Austin, TX 78741