01↗
Cybersecurity
Active Directory assessments and hardening, identity protection, Microsoft Defender, segmentation and practical remediation plans.
Marc-Antoine LambertTechnology consultingSenior IT consultant · Team Lead · Montréal + remote
Architecture. Cybersecurity.
Hybrid infrastructure.
I help organizations modernize, secure and operate their Microsoft, Cisco, VMware and Azure environments.
14+years of experience
600virtual machines in a single environment
Healthcare · Finance
Managed servicesindustry experience
Managed servicesindustry experience
FR / ENbilingual delivery
Available for new engagements
01 — Expertise
Hands-on expertise,
not just theory.
Recommendations grounded in operational reality and designed to remain maintainable by your team.
02↗
Infrastructure
Architecture, modernization and advanced troubleshooting for Microsoft and Azure environments, virtualization and core services.
03↗
Network & wireless
Design, migration and optimization of Cisco and Meraki networks, firewalls, VPNs, segmentation and 802.1X-secured enterprise Wi-Fi.
04↗
Storage & backup
Storage platform design and modernization, backup strategy, recovery and business continuity.
05↗
Advisory & automation
Microsoft 365, roadmaps, architecture reviews, PowerShell automation, monitoring, documentation and team enablement.
06↗
AI, Copilot & agents
Microsoft Copilot integration, AI agent design and MCP server deployment to connect assistants with business data, tools and workflows, with a strong focus on security and governance.
02 — Approach
From uncertainty to
a clear plan.
I turn complex technical issues into decisions that are understandable, prioritized and achievable.
- 01
Understand
Goals, risks, constraints and operational reality.
- 02
Prioritize
Separate urgent from important, without over-engineering.
- 03
Deliver
Implement with discipline, visibility and control.
- 04
Transfer
Document and empower your team to own the result.
03 — Selected work
Complex projects,
delivered in the field.
A selection of anonymized transformations delivered in critical healthcare and financial environments.
Microsoft 365 and identity migration
Tenant-to-tenant migration, enterprise application integration in Entra ID, and migration of VPN and NetScaler authentication to SAML.
Active Directory security hardening
Assessment and hardening of Active Directory environments with LAPS, LDAPS, SMB Signing, Microsoft Defender for Identity, PingCastle and Purple Knight.
Infrastructure modernization
Migration of legacy Windows Server systems to 2019, 2022 and 2025 across environments with several hundred virtual machines.
Network and Wi-Fi modernization
Modernization of Cisco switching, Wi-Fi and firewall infrastructure, migration to Cisco ISE, and 802.1X wireless access security.
04 — Ways to work together
The right level of support,
at the right time.
Focused assessment
A senior review of a defined issue, with prioritized findings and an immediately actionable plan.
Transformation project
From design to production: migration, security uplift, modernization or resolution of a complex problem.
Fractional expertise
Ongoing technical reinforcement for key decisions, sensitive projects and growing your team's capabilities.
05 — Credentials
Certifications and
validated expertise.
Certifications earned and specialized training completed throughout my career.
Microsoft AzureAZ-900
Microsoft Active DirectoryMCTS 70-640
Dell EMCDEA-1TT5 · DES-1221
QumuloL2 Solutions Architect
WatchGuardFireware · Network & Traffic Management
Cato NetworksSASE Expert Level 1 & 2
Microsoft Azure trainingAZ-104
06 — Residential solutions
A connected home,
simple and under control.
A distinct offering to design, integrate and improve the reliability of your home automation environment, separate from my enterprise services.
Home Assistant
Automations, dashboards, connected-device integration, and Zigbee or Matter protocols.
Ubiquiti UniFi
High-performance Wi-Fi, optimized coverage, VLANs, network segmentation and secure remote access.
NAS, storage & backup
Installation, migration and security for Synology, QNAP, TrueNAS and Unraid solutions: file sharing, RAID, snapshots and 3-2-1 backup strategy.
Docker & self-hosted services
Deployment and maintenance of containers, media platforms, monitoring tools and other services hosted at home.
07 — About
Marc-Antoine
Lambert
Senior IT consultant · Team Lead · Systems and network architecture
A senior IT consultant and Team Lead based in Montréal, I bring more than 14 years of experience in the architecture, administration and security of technology infrastructure. I have supported healthcare, financial and professional-services organizations through migration, modernization and cloud-transformation projects. My approach combines technical expertise, business understanding, automation and knowledge transfer to internal teams.
PragmaticTransparentOutcome-driven
08 — Contact
Your next IT challenge
deserves a solid plan.
Tell me briefly about your context. I'll reply with the first useful questions to scope the engagement.