Linux/DevOps Migration Engineer - 1-2 Month Remote Contract

Confidential

Not specified contract

Posted: May 20, 2026

Job Description

Arctiq is a global, intelligence-driven technology services company delivering professional and managed services across Hybrid Cloud Infrastructure, Networking & Connected Experiences, Cybersecurity, Data & AI, Autonomous Operations & Intelligence, and Enterprise Service Management. We help organizations operate, secure, and modernize complex environments by unifying infrastructure, networking, data, security, automation, and observability under a single, integrated operating model. Our work focuses on helping customers reduce operational friction, improve resilience, and make better, faster decisions as their environments evolve. Arctiq builds on decades of industry expertise and a customer-centric ethos to deliver exceptional value to clients across diverse industries.

We are seeking an experienced Linux systems administrator/DevOps engineer to assist with migrating a JetBrains TeamCity CI/CD server from an end-of-life operating system (CentOS 6.5) to a modern, supported platform (Amazon Linux 2023).

The TeamCity server is a critical piece of the client's software development infrastructure. The current OS has reached end-of-life and no longer meets our security compliance requirements. The contractor will plan and execute a migration to a new OS while preserving the existing TeamCity version and all build configurations.

This is a remote contract with one of Arctiq's clients. This will be a (1) month, 40 hour week contract or a (2) month, 20 hour week contract based on preference of candidate.

Scope of Work

Assess the current TeamCity installation and document dependencies

Plan and execute a phased migration approach with sandbox/rehearsal testing

Stand up a new Amazon Linux 2023 EC2 instance with TeamCity

Migrate the TeamCity data directory (~400 GB) to the new server

Configure Apache httpd as a reverse proxy with SSL termination

Validate all build configurations, remote build agents, and integrations

Coordinate with internal IT on network/VPC changes

Document the migration process and any configuration changes

Environment

Platform:AWS EC2

Current OS:CentOS 6.5

Target OS:Amazon Linux 2023

Application:JetBrains TeamCity (older version)

Java:Oracle JDK 1.8 (Java 8)

Database:MySQL (hosted on separate server, not part of migration scope)

Web Server:Apache httpd (reverse proxy)

Data Volume:~400 GB

Required Skills and Experience

Linux system administration (RHEL/CentOS family, including legacy CentOS 6)

AWS EC2 (instance provisioning, EBS volumes, AMI snapshots, security groups, VPC)

JetBrains TeamCity administration (installation, configuration, data directory management, backup/restore)

Server migration and cutover planning with minimal downtime

Java/JDK management on Linux (Java 8 specifically)

Amazon Linux 2023

Strongly Preferred

CrowdStrike Falcon agent deployment on Linux

Bash scripting for migration automation

MySQL database administration

CI/CD pipeline design and TeamCity build configuration

Apache httpd configuration (reverse proxy, SSL)

TeamCity upgrade experience (relevant for potential future phase)

Nice to Have

Experience with CentOS major version upgrades (6 -> 7 -> 8 path)

Familiarity with RPM package management and dependency resolution

Networking / DNS cutover experience

Experience with configuration management tools (Ansible, Puppet, etc.)

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