Senior Systems Engineer

Fenwick & West

Senior Systems Engineer automating Microsoft 365 messaging and collaboration infrastructure for Fenwick & West, a technology-focused law firm. Maintaining Exchange, Teams, identity, security, and operational reliability.

Posted 8/15/2026full-timeSanta Monica • California • 🇺🇸 United StatesSenior💰 $115,000 - $172,750 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates advanced expertise in administering Microsoft 365 workloads, including Exchange Online and Teams, with a strong focus on automation through PowerShell and Azure Logic Apps. Capable of evaluating security and configuration risks while providing senior-level support and mentoring within IT teams.

Highest-signal resume keywords

Microsoft 365 AdministrationPowerShell ScriptingExchange Online ManagementMicrosoft Teams ConfigurationMicrosoft Entra ID Management

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Microsoft Exchange OnlineMicrosoft TeamsPowerShellAzure Logic AppsMicrosoft Graph APIWindows ServerActive DirectorySharePointMicrosoft DefenderITIL Processes

Soft Skills

Problem-SolvingCommunicationCustomer Service OrientationCollaborationFlexibility

Tools & Technologies

Microsoft 365Power AutomateMicrosoft PurviewConditional AccessAutomation Tooling

Certifications & Qualifications

Microsoft 365 Certified: Messaging Administrator AssociateMCSEAutomation Certifications

Industry Keywords

Configuration ManagementProcess DocumentationAccount Lifecycle ManagementSecurity ComplianceInfrastructure Support

Tech Stack

Tools & technologies

Azure

About the role

Key responsibilities & impact

Administer and support Microsoft 365 workloads, including Exchange Online/on-premises and Microsoft Teams
Manage mail flow, mailboxes, distribution lists, Teams provisioning, channels, and voice/calling configuration
Design, build, and maintain PowerShell scripts and Azure Logic Apps workflows for administration, provisioning, reporting, and operational automation
Architect and maintain configuration standards for messaging and collaboration platforms
Provide senior-level support for Active Directory, Exchange, Teams, and SharePoint, including account and license lifecycle management
Monitor Microsoft 365 workload health, availability, and performance, and troubleshoot complex messaging and collaboration issues
Develop and maintain operational and automation runbooks
Evaluate and improve secure configuration, access governance, privileged account access, and mailbox permissions
Evaluate emerging Microsoft 365 capabilities and automation tooling and recommend adoption
Respond to complex infrastructure issues, including evenings and weekends as needed
Mentor junior systems administrators and contribute to broader IT team development
Perform other related duties as assigned

Requirements

What you’ll need

Advanced knowledge and hands-on experience administering Microsoft Exchange Online and Exchange Server, including mail flow, transport rules, and mailbox management
Advanced knowledge and hands-on experience administering Microsoft Teams, including Teams Phone/voice, meeting policies, and channel/tenant configuration
Experience developing automation and scripting solutions using PowerShell and Azure Logic Apps
Working knowledge of Microsoft Graph API and Power Platform, including Power Automate and Power Apps
Knowledge and hands-on experience with Microsoft Entra ID (Azure Active Directory), account and license lifecycle management, and conditional access
Knowledge of Microsoft 365 and on-premises platforms, including Windows Server, Active Directory, Exchange, Teams, and SharePoint
Experience with Microsoft 365 security and compliance tooling, including Microsoft Defender, Purview, and Conditional Access
Ability to evaluate messaging and collaboration environments for security and configuration risks
Ability to prioritize and execute complex, multi-stakeholder tasks in a high-pressure environment
Ability to research issues, standards, and products and recommend solutions
Ability to develop and present training programs and workshops
Knowledge and experience with ITIL processes, configuration management, and process documentation
Excellent problem-solving, oral, and written communication skills
Ability to work across IT, Security, Legal, and Compliance stakeholders
Ability to operate independently on ambiguous or evolving problems
Ability to handle sensitive and confidential information securely
Ability to work collaboratively and independently under pressure and tight deadlines
Strong customer service orientation and ability to explain technical issues to non-technical staff and attorneys
Flexibility to provide after-hours or on-call support
Bachelor's degree in Computer Science, Information Technology, or equivalent applicable experience
3–5+ years of experience administering Microsoft 365 workloads, including Exchange and Teams, in an enterprise environment, with PowerShell scripting or Logic Apps automation
Exposure to Microsoft Graph API, Power Automate, or broader Microsoft 365 administration is strongly preferred
Systems certification such as Microsoft 365 Certified: Messaging Administrator Associate, MCSE, or similar, or equivalent experience
Automation certifications are a plus

Benefits

Comp & perks

Healthcare
Life Insurance
Health Savings Accounts
Flexible Spending Accounts
Wellbeing benefits
Discretionary bonus for eligible employees based on performance
Hybrid schedule