Jr. System Administrator

Astreya Limited; Greater London; On-site; GBP 45,000 - 60,000; Full time

Job summary

Astreya Limited is seeking a System Administrator to support and maintain large and global scale systems for building management and physical security operations. The role works through tickets and requires strong systems administration, networking, and communication skills.

The successful candidate will monitor queues, manage infrastructure, document ticket metadata, and coordinate with internal teams and third parties.

Qualifications

• Bachelor’s degree (B.S./B.A.) from college or university.
• 2–5 years’ related experience and/or training, or equivalent combination of education and experience.
• Builds productive internal and external working relationships.
• Exercises judgement within defined procedures and practices to determine appropriate action.
• Comfortable with building and managing various servers.
• Experience with networking management, configurations and changes.
• Experience with systems and networking troubleshooting to identify the root cause and fixes.
• Knowledgeable about ticket systems and follow processes.
• Good communication and writing skills.

Responsibilities

• Monitor ticket queue and IM channels.
• Monitor and participate in managing systems and infrastructure.
• Accurately record all metadata related to tickets on internal tools.
• Engage in managing and resolving troubleshooting tickets from internal teams and third-party teams.
• Maintain contact with 3rd parties and represent the assigned team professionally.
• Provide out of business hours support for scheduled time sensitive upgrades.
• Provide 24/7 on-call support for critical system outages.
• Other duties as required.

Skills

Systems administration

Networking management

Troubleshooting

Communication skills

Writing skills

Ticketing systems

Relationship building

On-call support

Education

Bachelor’s degree (B.S./B.A.)

Tools

Ticketing tools

Monitoring tools

CTI metadata tracking

Job description

What this Job Entails:

The System Administrator is expected to facilitate operational support to and on behalf of the assigned team. The assigned team supports and maintains a variety of large and global scale systems for building management and physical security operations. The skill set required is industry typical 'systems administration', including working knowledge of various networking systems. Work is ticket based, and the team would be expected to procedurally work through tickets (submitted via a template) to resolution.

Scope:

• Applies company policies and procedures to resolve a variety of issues
• Works on problems of moderate scope
• Receives general instructions on routine work and detailed instructions on new projects

Your Roles and Responsibilities:

• Monitor ticket queue and IM channels
• Monitor and participate in managing systems and infrastructure
• Accurately record all metadata related to tickets on internal tools, including, but not limited to, CTI (category, type and item), outage resolution time, IM transcripts, postmortems, etc.
• Engage in managing and resolving troubleshooting tickets from internal teams and third-party teams, engaging other teams as necessary
• Maintain contact with 3rd parties and help to represent the assigned team in a professional and courteous manner which complies with clients’ vendor code of conduct.
• Provide out of business hours support for any scheduled time sensitive upgrades
• Provide 24/7 on-call support for critical system’s outages
• Other duties as required.

This list is not meant to be a comprehensive inventory of all responsibilities assigned to this position

Required Qualifications/Skills:

• Bachelor’s degree (B.S/B.A) from four-college or university and 2 to 5 years’ related experience and/or training; or equivalent combination of education and experience
• Builds productive internal and external working relationships
• Exercises judgement within defined procedures and practices to determine appropriate action
• Comfortable with building and managing various servers
• Experience with networking management, configurations and changes
• Experience with systems and networking troubleshooting to identify the root cause and fixes
• Knowledgeable about ticket systems and follow processes
• Good communication and writing skills

Preferred Qualifications:

• Automation and scripting experience

Physical Demand & Work Environment:

• Must have the ability to perform office-related tasks which may include prolonged sitting or standing
• Must have the ability to move from place to place within an office environment
• Must be able to use a computer
• Must have the ability to communicate effectively
• Some positions may require occasional repetitive motion or movements of the wrists, hands, and/or fingers

About Astreya:

We’re so glad you’re here. Use this space to explore career opportunities, track your application, and take next steps with a global team that values people and progress. Astreya is a global IT managed services provider dedicated to creating technology solutions that are reliable and human-centered. We partner with the world’s most innovative organizations to optimize modern IT environments across the digital workplace, cloud, data, AI, and enterprise platforms. Our people are our strength. Across regions and roles, Astreyans bring deep expertise, curiosity, and a commitment to excellence. We believe great technology starts with great humans, which is why we invest in learning, collaboration, and career growth. At Astreya, transparency, accountability, and trust guide how we work with each other and our customers. We foster an inclusive culture where diverse perspectives are valued and everyone has the opportunity to make an impact. Join us to build solutions that matter and shape the future of IT together. Onwards and upwards!