Sr. System Administrator

Senior Server Administrator – IT Infrastructure

Role Overview

The Senior Server Administrator is responsible for the design, administration, maintenance, security, and continuous improvement of the organisation’s server and IT infrastructure environment. The role will ensure that infrastructure services remain secure, resilient, highly available, and aligned with business requirements.

The successful candidate will provide senior-level technical expertise across physical and virtual server environments, operating systems, storage, backup, monitoring, patching, and infrastructure security. They will also play a key role in incident resolution, infrastructure projects, service improvements, and technical planning.

Key Responsibilities

Server & Infrastructure Administration

• Administer and maintain Windows and/or Linux server environments across physical and virtual platforms.
• Manage server hardware, operating systems, virtualisation platforms, storage, and associated infrastructure services.
• Monitor system performance, capacity, availability, and health, proactively identifying and resolving potential issues.
• Perform server builds, configuration, upgrades, migrations, and decommissioning in accordance with established standards.
• Maintain accurate infrastructure documentation, configuration records, and technical procedures.
• Ensure infrastructure platforms are appropriately configured for availability, performance, and resilience.

Infrastructure Operations & Support

• Provide senior-level technical support for infrastructure incidents, service requests, and problems.
• Troubleshoot complex server, operating system, networking, storage, and infrastructure-related issues.
• Participate in an on-call or out-of-hours support rota where required.
• Lead or support the resolution of major incidents and provide root-cause analysis and corrective actions.
• Work closely with service desk, network, security, application, and other IT teams to resolve cross-functional issues.

Security & Compliance

• Maintain server security in line with organisational policies and industry best practices.
• Manage operating system patching, vulnerability remediation, antivirus/endpoint protection, and security configuration.
• Support security audits, compliance requirements, and infrastructure risk assessments.
• Implement and maintain appropriate access controls, privileged access, and server hardening standards.
• Work with cybersecurity teams to investigate and remediate infrastructure security incidents.

Backup, Recovery & Business Continuity

• Manage and monitor server backup and recovery solutions.
• Regularly test backup restoration and disaster recovery procedures.
• Support the development and maintenance of infrastructure disaster recovery and business continuity plans.
• Ensure critical infrastructure services meet agreed recovery time and recovery point objectives.

Projects & Continuous Improvement

• Lead or contribute to infrastructure projects, including server upgrades, migrations, cloud adoption, virtualisation, and technology refresh programmes.
• Evaluate new technologies and recommend improvements to infrastructure services.
• Identify opportunities to automate routine administration and improve operational efficiency.
• Develop and maintain technical standards, processes, and best-practice procedures.
• Support capacity planning and future infrastructure strategy.

Stakeholder & Supplier Management

• Work collaboratively with internal IT teams, business stakeholders, and third-party suppliers.
• Provide technical guidance and communicate complex infrastructure issues clearly to technical and non-technical stakeholders.
• Support supplier management, technical reviews, and service improvement activities where required.
• Provide mentoring and technical guidance to junior infrastructure team members.

Essential Skills & Experience

• Significant experience in a senior server/infrastructure administration role.
• Strong experience administering Windows Server and/or Linux environments.
• Strong knowledge of Active Directory, Group Policy, DNS, DHCP, and core infrastructure services.
• Experience with virtualisation technologies such as VMware or Microsoft Hyper-V.
• Strong understanding of server hardware, storage, networking, and infrastructure architecture.
• Experience with enterprise backup and disaster recovery solutions.
• Strong knowledge of server security, patch management, vulnerability remediation, and hardening.
• Experience troubleshooting complex infrastructure incidents and performing root-cause analysis.
• Good understanding of ITIL principles and IT service management processes.
• Experience working with monitoring and infrastructure management tools.
• Strong documentation and technical communication skills.
• Ability to work independently and take ownership of complex technical issues.

Desirable Skills

• Experience with Microsoft Azure, AWS, or other cloud infrastructure platforms.
• Experience with PowerShell, Bash, Python, or other scripting/automation technologies.
• Experience with infrastructure-as-code and configuration management tools.
• Knowledge of Microsoft 365 and hybrid infrastructure environments.
• Experience with enterprise storage technologies.
• Experience with high-availability and disaster recovery architectures.
• Relevant certifications such as Microsoft, VMware, Linux, ITIL, or cloud certifications.

Key Competencies

• Technical expertise: Demonstrates strong knowledge of server and infrastructure technologies.
• Problem solving: Able to diagnose complex technical problems and develop effective solutions.
• Ownership: Takes responsibility for infrastructure services and follows issues through to resolution.
• Communication: Communicates clearly with technical teams, management, suppliers, and business stakeholders.
• Continuous improvement: Identifies opportunities to improve reliability, security, performance, and efficiency.
• Teamwork: Works effectively across IT teams and supports knowledge sharing.
• Resilience: Able to manage priorities and remain effective during incidents and high-pressure situations.

Key Performance Indicators

• Infrastructure availability and reliability.
• Timely resolution of infrastructure incidents and problems.
• Successful completion of infrastructure projects and upgrades.
• Server patching and vulnerability remediation compliance.
• Backup success rates and successful recovery testing.
• Infrastructure security and compliance performance.
• Reduction in recurring incidents and infrastructure-related risks.
• Quality and accuracy of infrastructure documentation.
• Delivery of automation and continuous improvement initiatives.

Role Summary

The Senior Server Administrator will be a key member of the IT Infrastructure team, responsible for ensuring the stability, security, resilience, and performance of critical server and infrastructure services. The role requires a proactive and technically capable individual who can manage day-to-day operations while also contributing to strategic infrastructure improvements and business continuity.

At Veralto, we value diversity and the existence of similarities and differences, both visible and not, found in our workforce, workplace and throughout the markets we serve.Our associates, customers and shareholders contribute unique and different perspectives as a result of these diverse attributes.

Unsolicited Assistance

We do not accept unsolicited assistance from any headhunters or recruitment firms for any of our job openings. All resumes or profiles submitted by search firms to any employee at any of the Veralto companies, in any form without a valid, signed search agreement in place for the specific position, approved by Talent Acquisition, will be deemed the sole property of Veralto and its companies. No fee will be paid in the event the candidate is hired by Veralto and its companies because of the unsolicited referral.

Originally posted on Himalayas