Senior Microsoft 365 & Endpoint Engineer - MSP/MSSP

Grs Technology
Fairfax, United States of America
6 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
$ 120K

Job location

Fairfax, United States of America

Tech stack

Microsoft Windows
Microsoft Active Directory
Computer Security
Microsoft Office
Windows Server
Powershell
Azure
SharePoint
Software Deployment
EndPointSecurity
Microsoft InTune

Job description

As a Senior Microsoft 365 & Endpoint Engineer, you are the escalation point for the toughest issues, the technical leader for the service desk, and a trusted advisor to our clients.

You will:

  • Own escalated tickets across Microsoft 365, Intune, Defender, identity, and Windows platforms
  • Lead projects involving endpoint security, tenant configuration, hybrid identity, and compliance
  • Support VIP clients and regulated environments
  • Deliver proactive maintenance to ensure secure, compliant, and performant Microsoft ecosystems
  • Mentor junior engineers and raise the technical bar across the team
  • Uphold our gold-standard SLA and operational discipline - always

You are the anchor of stability, expertise, and professionalism in complex Microsoft environments.

Candidate Challenge

If your gut isn't screaming "HELL YEAH, THIS IS EXACTLY HOW I WORK," stop reading.

This is not a role for average performers.

It's for engineers who:

  • Lead from the front
  • Stay calm under pressure
  • Thrive in complex Microsoft 365, security, and compliance environments
  • Want to become elite at what they do

Mission Alignment

Your work enables clients to operate securely and confidently by ensuring their Microsoft 365 tenants, endpoints, and identities are built correctly, governed properly, and supported with excellence.

You bring our mission to life by delivering enterprise-grade Microsoft 365, security, and endpoint management - directly where it matters most.

Role Highlights - You Will LOVE

  • Leading complex escalations involving Intune, Entra ID, Microsoft Defender, Windows, and hybrid identity
  • Acting as the go-to expert for Microsoft 365 Commercial, GCC, and GCC High environments
  • Designing and implementing:
  • Endpoint security and compliance policies (Intune)
  • Conditional Access and identity controls (Entra ID)
  • Defender security configurations
  • Delivering projects including:
  • Endpoint hardening and modernization
  • Tenant configuration and remediation
  • Hybrid AD and Group Policy alignment
  • Mentoring junior engineers and elevating their technical and professional performance
  • Building deep client relationships through trust, communication, and results
  • Conducting proactive maintenance to keep environments secure, stable, and audit-ready
  • Improving processes, documentation, and operational discipline
  • Working side-by-side with the engineering team when not onsite

Requirements

  • Calm under pressure and precise in execution
  • A technical leader with strong hands-on expertise in Microsoft 365 and endpoint management
  • A natural mentor who raises the performance of everyone around you
  • A strategist who understands the full environment:
  • Identity
  • Endpoints
  • Security
  • Compliance
  • Business risk
  • An exceptional communicator who translates technical risks into clear, human language
  • A disciplined executor - documentation, processes, and follow-through are non-negotiable
  • Proactive by default - you don't wait for problems to happen
  • Growth-driven and constantly improving
  • A deep problem solver - not a surface-level fixer

You don't just fix issues. You elevate systems, relationships, and standards.

Technical QualificationsMicrosoft & Endpoint Technologies

  • Microsoft 365 administration (Enterprise level)
  • Microsoft Intune / Endpoint Manager
  • Microsoft Defender (Endpoint, Identity, Office 365)
  • Microsoft Entra ID (Azure AD)
  • Microsoft Purview (governance, retention, DLP awareness)
  • SharePoint Online & OneDrive administration

Identity & Infrastructure

  • Active Directory (on-prem and hybrid)
  • Azure AD Connect / hybrid identity
  • Windows Server administration
  • Group Policy design and management

Endpoint & Systems

  • Windows 10/11 endpoint management
  • Device security baselines and compliance
  • Application deployment and management
  • Endpoint and systems troubleshooting

Automation & Operations

  • PowerShell scripting and automation
  • Proactive maintenance and remediation
  • Documentation, architecture, and SOP creation

Security & Compliance

  • Operational cybersecurity experience
  • Understanding of regulated/enterprise environments
  • Compliance and governance exposure (e.g., CMMC, NIST), * 4+ years IT support or engineering experience (required)
  • 4+ years networking experience (required)
  • 4+ years customer-facing technical support (required)
  • 2+ years IT project execution or leadership (preferred), * Bachelor's (Preferred), * Technical support: 4 years (Required)
  • Networking: 4 years (Required)
  • Customer service: 4 years (Required)
  • IT project management: 2 years (Preferred)

Benefits & conditions

Pulled from the full job description

  • Professional development assistance
  • 401(k)
  • Health insurance
  • 401(k) matching
  • Paid time off
  • Employee discount
  • Vision insurance, * 401(k)
  • 401(k) matching
  • Dental insurance
  • Employee discount
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Professional development assistance
  • Vision insurance

Application Question(s):

  • Are you willing to obtain the following certifications if you don't already have them within the next 90-120 days on the job? The company will cover the cost for this.

About the company

Imagine a world where small and mid-sized businesses operate with the same strength, resilience, and security posture as enterprise and federal organizations. A world where IT isn't reactive or chaotic - it's modern, secure, compliant, and intentional. That's the world we build every single day at GRS Technology Solutions. Our clients rely on Microsoft 365, modern endpoint management, and security-first architectures to protect their most critical operations - and we make sure those environments are built right, governed correctly, and operated with discipline. Team and Mission You'll join a tight, elite team of engineers who solve root problems, not symptoms. Your mission: secure, manage, and modernize Microsoft 365 environments and endpoints so our clients can operate confidently, compliantly, and without disruption. Every ticket resolved, every policy enforced, and every environment stabilized strengthens organizations that trust us with regulated data, business continuity, and compliance obligations. Culture and Work Ethos We work with urgency and discipline - because excellence is our baseline. We don't tolerate: * Jerks * Excuses * Mediocrity We are A-Players who take ownership, communicate clearly, and deliver results - no matter how complex the environment or how regulated the requirement.

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