Senior Systems & Security Administrator

Franklin Fitch; Boston (MA); On-site; USD 110,000 - 140,000; Full time

Job summary

Franklin Fitch is seeking a Senior Systems & Security Administrator to maintain and develop its internal IT and security environment in Boston. This hands-on role covers identity platforms, endpoint management, cloud infrastructure and enterprise applications, collaborating with IT leadership to secure operations and drive continuous improvements.

The successful candidate will own key platforms, support business-critical systems, and contribute to ongoing security initiatives while working

Qualifications

• 6–7+ years of experience across systems administration, IT infrastructure, cybersecurity or enterprise technology.
• Strong hands-on experience with Microsoft 365, Entra ID, Intune and identity and access management.
• Practical knowledge of endpoint security, authentication technologies, network security, vulnerability management and security monitoring.
• Experience supporting cloud environments, enterprise applications, SaaS platforms and business-critical systems.
• Understanding of security incident investigation, patch management, access governance and security best practices.
• Experience using scripting and automation technologies such as PowerShell, Python, APIs or similar tools.
• Ability to independently manage technical responsibilities, coordinate external providers and manage competing priorities.
• Strong communication, troubleshooting and organisational skills, with a proactive approach and attention to detail.

Responsibilities

• Administer and maintain the organisation's enterprise technology environment, including Microsoft 365, identity platforms, endpoint management, cloud infrastructure, networking and business applications.
• Manage identity and access security, including user provisioning, authentication, MFA, access permissions, privileged accounts and device compliance.
• Maintain endpoint and infrastructure security through vulnerability management, patching, security monitoring, threat investigation and remediation.
• Support the configuration, integration and ongoing management of enterprise applications, cloud services and business-critical systems.
• Work with external technology providers and security partners to manage escalations, resolve technical issues, oversee service delivery and improve security controls.
• Identify opportunities to streamline IT operations through automation, scripting, integrations and improved technical processes.
• Provide technical support and guidance across the organisation, acting as an escalation point for complex issues and maintaining appropriate documentation and operational standards.

Skills

Senior IT experience

Microsoft 365

Entra ID

Intune

Identity and access management

Endpoint security

Cloud environments

Scripting

PowerShell

Python

Tools

PowerShell

Python

APIs

Job description

An established and growing organisation is seeking a Senior Systems & Security Administrator to help maintain and develop its internal IT and security environment.

This is a varied, hands-on technical position with responsibility across information security, systems administration, cloud technologies and enterprise applications. You will play an important role in ensuring the organisation's technology remains secure, reliable and fit for purpose, while helping improve existing systems, processes and controls.

Working closely with IT leadership, internal stakeholders and external technology partners, you will take ownership of key technical platforms, support business-critical operations and contribute to ongoing infrastructure and security initiatives.

The position would suit an experienced IT professional who enjoys working across multiple areas of technology, is comfortable taking responsibility and wants to make a tangible contribution within a developing IT function.

Key Responsibilities

• Administer and maintain the organisation's enterprise technology environment, including Microsoft 365, identity platforms, endpoint management, cloud infrastructure, networking and business applications.
• Manage identity and access security, including user provisioning, authentication, MFA, access permissions, privileged accounts and device compliance.
• Maintain endpoint and infrastructure security through vulnerability management, patching, security monitoring, threat investigation and remediation.
• Support the configuration, integration and ongoing management of enterprise applications, cloud services and business-critical systems.
• Work with external technology providers and security partners to manage escalations, resolve technical issues, oversee service delivery and improve security controls.
• Identify opportunities to streamline IT operations through automation, scripting, integrations and improved technical processes.
• Provide technical support and guidance across the organisation, acting as an escalation point for complex issues and maintaining appropriate documentation and operational standards.

Required Experience

• 6–7+ years of experience across systems administration, IT infrastructure, cybersecurity or enterprise technology.
• Strong hands-on experience with Microsoft 365, Entra ID, Intune and identity and access management.
• Practical knowledge of endpoint security, authentication technologies, network security, vulnerability management and security monitoring.
• Experience supporting cloud environments, enterprise applications, SaaS platforms and business-critical systems.
• Understanding of security incident investigation, patch management, access governance and security best practices.
• Experience using scripting and automation technologies such as PowerShell, Python, APIs or similar tools.
• Ability to independently manage technical responsibilities, coordinate external providers and manage competing priorities.
• Strong communication, troubleshooting and organisational skills, with a proactive approach and attention to detail.

What Makes This Opportunity Interesting

You'll be joining an organisation where IT has a direct impact on everyday business operations. Rather than focusing on one narrow technical discipline, you'll have the opportunity to work across systems, infrastructure and security, take ownership of important platforms and contribute to the continued development of the IT environment.

The successful individual will be approachable, adaptable and comfortable working with colleagues across different departments, balancing technical responsibilities with a strong service-oriented mindset.