Senior Systems Administrator (Linux/Cloud)

Placements24; United States; Hybrid; USD 80,000 - 121,000; Full time

Benefits offered by this job

Hybrid work model (London)

Competitive salary

Medical & retirement plans

Professional development

Generous annual leave

Job summary

Placements24 seeks a seasoned Senior Systems Administrator to manage Linux servers and cloud infrastructure in a hybrid role based in London. You will oversee provisioning, security, backups, and performance tuning to support critical IT operations.

Ideal candidates have 5+ years in Linux system administration, strong scripting skills, and hands-on experience with AWS/Azure/GCP. Collaboration with development and network teams will be key to success.

Qualifications

• Bachelor's degree or equivalent in CS/IT.
• 5+ years in systems administration focusing on Linux.
• Experience with AWS/Azure/GCP.
• Scripting skills in Bash/Python.
• Understanding of networking and security.

Responsibilities

• Install, configure, and maintain Linux servers (e.g., Ubuntu, CentOS, Red Hat).
• Manage cloud infrastructure on AWS, Azure, or GCP, including provisioning and monitoring.
• Implement and manage system security measures (firewalls, IDS, access control).
• Perform regular system backups and disaster recovery operations.
• Monitor performance, troubleshoot and tune systems proactively.
• Manage user accounts, permissions, and group policies.
• Automate tasks using Bash, Python, or similar tools.
• Plan and execute system upgrades, patches, migrations.
• Provide technical support for system-related issues.
• Collaborate with development and network teams to ensure smooth operations.

Skills

Linux systems

Cloud platforms

Scripting (Bash Python)

Networking basics

Troubleshooting

Communication

Education

Bachelor's degree in CS/IT or equivalent

Tools

AWS

Azure

Google Cloud

VMware

KVM

Ansible

Chef

Puppet

Job description

About the Role

Our client, a prominent player in the renewable energy sector operating out of East London, is seeking a seasoned Senior Systems Administrator with extensive experience in both Linux environments and cloud platforms. This vital role involves managing, maintaining, and optimizing our client's critical IT infrastructure, ensuring its stability, security, and performance. You will be responsible for server administration, network management, system upgrades, and supporting cloud-based services. This hybrid role offers the flexibility to work remotely and from our East London headquarters, fostering collaboration and efficiency. You will be instrumental in supporting our client's mission-critical operations, ensuring seamless IT service delivery. This is an excellent opportunity to contribute to a growing industry, working with modern technologies and a dedicated team. Your expertise will be crucial in maintaining and enhancing our client's technological foundation.

Key Responsibilities

• Install, configure, and maintain Linux servers (e.g., Ubuntu, CentOS, Red Hat) and related services.
• Manage cloud infrastructure on platforms such as AWS , Azure, or Google Cloud, including provisioning, monitoring, and optimization.
• Implement and manage system security measures, including firewalls, intrusion detection, and access control.
• Perform regular system backups and disaster recovery operations.
• Monitor system performance, identify and resolve issues proactively, and implement performance tuning measures.
• Manage user accounts, permissions, and group policies.
• Automate routine administrative tasks using scripting languages (e.g., Bash, Python).
• Plan and execute system upgrades, patches, and migrations.
• Provide technical support and troubleshooting for system-related issues.
• Collaborate with development and network teams to ensure smooth system operations.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• 5+ years of experience in systems administration, with a strong focus on Linux environments.
• In-depth knowledge of Linux operating systems (e.g., Ubuntu, CentOS, Red Hat).
• Proven experience managing cloud infrastructure on platforms like AWS , Azure, or GCP.
• Proficiency in scripting languages such as Bash and/or Python for automation.
• Experience with virtualization technologies (e.g., VMware, KVM) is a plus.
• Understanding of networking concepts, protocols, and security.
• Experience with configuration management tools (e.g., Ansible, Chef, Puppet) is desirable.
• Strong troubleshooting and problem-solving skills.
• Excellent communication and interpersonal skills.
• Ability to work effectively both independently and as part of a team.

Benefits

• Our client offers a competitive salary, comprehensive medical and retirement plans, performance-based bonuses, and generous annual leave.
• Enjoy the flexibility of a hybrid work model, with access to modern office facilities in East London.
• We provide opportunities for professional development, including certifications and training.
• A collaborative and supportive work environment focused on innovation and sustainability is assured.
• This role offers a chance to work on impactful projects and advance your career in the renewable energy sector.