Senior Linux Sysadmin – Security Operations and Engineering

Surfshark

. Manage security, patching, upgrades, and hardening on team-maintained servers and services .

Posted 9/22/2026full-timeVilnius • LithuaniaSenior💰 €3,800 - €6,300 per monthWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates strong expertise in Linux system administration, automation using Ansible and Terraform/OpenTofu, and building CI/CD pipelines. Proficient in managing security operations and engineering within cloud environments like AWS and GCP, with a solid understanding of networking and infrastructure as code.

Highest-signal resume keywords

Linux ExpertiseAnsible AutomationTerraform/OpenTofu AutomationAWS ExperienceGCP Experience

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

System AdministrationSecurity ManagementCI/CD Pipeline DevelopmentInfrastructure as CodeNetworking Knowledge

Soft Skills

Documentation SkillsTeam Collaboration

Tools & Technologies

AnsibleTerraform/OpenTofuAWSGCPKubernetes

Industry Keywords

CybersecurityServer HardeningBackup Service Management

Tech Stack

Tools & technologies

AnsibleAWSCyber SecurityGoogle Cloud PlatformKubernetesLinuxTerraform

About the role

Key responsibilities & impact

Manage security, patching, upgrades, and hardening on team-maintained servers and services
Supervise and maintain critical systems, including secure connections to server services, secret vaults, version control systems, bastion hosts, and other security-related infrastructure
Help sysadmins and developers troubleshoot system connections and resolve security issues
Maintain the backup service
Write automations using Ansible and Terraform/OpenTofu
Build CI/CD pipelines and create Infrastructure as Code
Work with AWS, GCP, and Kubernetes
Serve as a hands-on security operations and engineering resource within the cybersecurity department

Requirements

What you’ll need

Proven experience in system administration or similar roles
Strong Linux expertise
Strong orientation to automation, mainly using Ansible and Terraform/OpenTofu
Interest in cybersecurity
Ability to document work and share with team members
Good understanding of networking
Experience with AWS, GCP, and Kubernetes
Experience with CI/CD pipelines and Infrastructure as Code

Benefits

Comp & perks

Time dedicated to learning, conferences, online learning platforms, and books for professional development
Online workouts
Physical coach
Gym
Regular mental health checks
Choice of technical equipment and tools
Yearly workation
Friday get-togethers
Team buildings
Company celebrations
Compensation for part of public transport costs, depending on individual circumstances
Possibility of up to two remote days per week
Work from almost anywhere in the world under the WFA policy
Premium Surfshark accounts for you, your family, and friends