Tower Lead - Cyber Security / Windows Defender || Calgary, AB - Onsite || Fulltime FTE
Acestack
Tower Lead Cyber Security / Windows Defender
Location: Calgary, AB
Work Arrangement: Onsite
Job Type: Contract / Full-Time
Job Summary
We are seeking an experienced Cyber Security Tower Lead / Windows Defender Architect to lead enterprise security operations and endpoint protection initiatives. The ideal candidate will have expert-level knowledge of Microsoft Windows Defender and strong experience leading cybersecurity tool towers in complex enterprise environments.
Key Responsibilities
-
Lead the Cyber Security Tools Tower and provide technical leadership for endpoint security initiatives.
-
Act as the Windows Defender Architect / SME , providing expert guidance on Microsoft Defender solutions.
-
Design, implement, and optimize Windows Defender security solutions across enterprise environments.
-
Lead security tool strategy, architecture, deployment, configuration, and ongoing optimization.
-
Monitor and improve endpoint protection, threat detection, incident response, and security posture.
-
Collaborate with Cyber Security, Infrastructure, Network, Cloud, and Operations teams.
-
Provide technical leadership, troubleshooting, and resolution of complex security issues.
-
Establish security standards, best practices, governance, and operational procedures.
-
Lead security tool upgrades, migrations, integrations, and technology transformation initiatives.
-
Mentor technical teams and provide expert-level guidance on Microsoft Defender technologies.
-
Prepare technical documentation, architecture diagrams, operational procedures, and reports.
Required Skills & Qualifications
-
7+ years of experience in Cyber Security / Endpoint Security / Security Engineering.
-
Expert-level experience with Microsoft Windows Defender / Microsoft Defender .
-
Strong experience as a Windows Defender Architect / Technical Lead / SME .
-
Proven experience leading a Cyber Security Tools Tower or similar security technology function.
-
Strong understanding of endpoint protection, threat detection, EDR/XDR, and security monitoring.
-
Experience with enterprise-scale security architecture, implementation, and troubleshooting.
-
Strong leadership, stakeholder management, and communication skills.
-
Ability to work onsite in Calgary, AB .
Preferred Certification
-
Microsoft Defender / Windows Defender certification or relevant Microsoft Security certification is highly preferred.
- ...Application Packager Location: Calgary, AB Work Mode: Onsite Employment Type: Full-Time, Permanent (FTE) Experience: 5+ Years... ...across an enterprise Windows environment while following... ...packs, updates, and emergency security patches. Maintain clean...Full timeWindowsPermanent employmentFlexible hours
Acestack
Canada1 day ago - ...Admin / EUC Support Admin Calgary, AB Location: Calgary, AB Work Mode: Onsite Employment Type: Full-Time, Permanent (FTE) Experience:... ...end-user support across Windows endpoints, Microsoft 36... ...replacement, patching, security controls, and endpoint...Full timeWindowsPermanent employmentWork at officeRemote work
Acestack
Canada1 day ago - ...Location: Montreal, QC Work Arrangement: Onsite Job Type: Contract / Full-Time... ...candidate will have strong experience supporting Windows environments, end-user devices,... ...connectivity issues. Support endpoint security, antivirus, encryption, and device compliance...Full timeWindowsContract work
Acestack
Canada1 day ago - ...Service Delivery Manager Cyber Security Location:... ...ON Work Arrangement: Onsite Job Type: Full-Time Permanent FTE Job Summary We... ...cybersecurity teams. Lead service delivery governance... ...managing cybersecurity service towers or managed security...Full timePermanent employment
Acestack
Canada1 day ago - ...Mississauga, ON Work Arrangement: Onsite Employment Type: Full-Time / Permanent (FTE) Experience: 10+ Years... ...Key Responsibilities Lead and coordinate major incidents impacting... ...between Data Engineering, Business Towers, Application Support, Infrastructure...Full timePermanent employment
Acestack
Canada1 day ago - ...Banking Domain Location: Mississauga, ON Work Mode: Onsite Fulltime FTE - Permanent Experience: 8+ Years Industry:... ...data processes. Collaborate with business, technical, security, and compliance stakeholders. Support Compliance, Data...Full timePermanent employment
Acestack
Canada1 day ago - ...Location: Mississauga, ON Work Arrangement: Onsite Employment Type: Full-Time / Permanent (FTE) Role Summary: We are seeking an experienced... ...business rules, forms, dashboards, data integrations, and security. Develop and maintain Groovy Business Rules,...Full timePermanent employment
Acestack
Canada1 day ago $122.1k - $162.8k
...We look for a proven track record of leading technical delivery across multiple teams... ...models, including tokenization, context windows, and model capabilities. Preferred: experience... ...AI practices, including governance, security, observability, risk management, and...Full timeWindowsWork at officeRemote workFlexible hours2 days per weekMCKESSON
Canada12 days ago$48 per hour
Clean Harbors in Breslau, ON location is currently looking for a Lead Heavy Duty Mechanic to join our team. The ideal candidate... ...all aspects e.g. electrical, computer, ECMs, fuel, air systems, ABS, hydraulic systems, engines etc. ~ Ability or get or have DriveOn...Full timeCasual workWeekend workClean Harbors
Canada1 day ago- ...Rollout/Implementation Specialist Location: Montreal, QC Work Arrangement: Hybrid Fulltime FTE - Permanent Travel: Approximately 80% travel across Quebec Job Summary We are seeking a Bilingual Rollout/Implementation Specialist to support...Full timePermanent employmentWeekend workAfternoon shift
Acestack
Canada1 day ago - ...no GDL) Location: This role is fully onsite in our Calgary, Alberta office. Now is the time... ...and provide advanced troubleshooting on Windows operating systems. ~ Assemble, configure... ...Notes: Calgary || Alberta (CA-AB) || Canada (CA) || IT Infrastructure...WindowsTemporary workWork at office
- ...Key Responsibilities 1. IPT & Program Leadership Lead the Flight Sciences IPT, ensuring alignment with overall aircraft... ...communication and stakeholder management skills. Experience working in onsite-offshore delivery models. Strong analytical and problem-...Full time
Purple Hires Inc
Canada1 day ago $64k - $104k
...Requirements: Extensive experience in Windows Server and/or Linux Server administration... ...design, with the ability to create scalable, secure, and high-availability server... ...Server SME Architect to join our team in Calgary. This position requires 100% in-office work...Full timeWindowsWork at officeAstra North Infoteck Inc.
Canadamore than 2 months ago- ...About the role Anthropic's Third Party Risk Management (TPRM) team sits within Security GRC and is responsible for risk management of our vendor and partner relationships, making risk visible to the people who need to act on it, and driving it down. This role owns...Full time
Anthropic
Canadaa month ago $80k - $90k
...future of defence and security. Our teams design and... ...include working with Windows Servers, Networking (routing... ...to conduct analysis leading to good conclusions... ...with a mix of working onsite and from home It... ...work-life balance. As a fulltime regular/term employee,...Full timeWindowsWork from homeFlexible hours- ...This role sits at the heart of Tilt’s card growth engine, leading one of our newest credit card acquisition channels: Direct Mail. As the Direct Mail Lead , you’ll focus on the strategy, execution, and performance of Tilt’s direct mail program - from audience targeting...Full time
Tilt
Canada25 days ago - ...organization. This is a fast-paced team that works on the most valuable opportunities we can find anywhere in the business. As an Applied AI Lead, you'll be responsible for finding those opportunities in the first place: looking across everything happening at Owner,...Full timeRemote work
Owner
Canada25 days ago - ...vulnerable seniors through shared intention, pioneering spirit, and the courage to love. These core values and our participant-focus lead the way no matter what. The AI Enablement Lead, Strategic Initiatives helps build and scale WelbeHealth’s distributed AI...Full time
WelbeHealth
Canada17 days ago $40 - $50 per hour
...Employment Type: Full-Time Salary: $40.00-$50.00 per hour About the role We are seeking an experienced and motivated Site Lead to oversee day-to-day field operations on a variety of construction projects. The Site Lead is responsible for coordinating crews, maintaining...Full timeHourly payFor subcontractorCompass Point Contracting Ltd
Canada22 days ago- ...Position Summary The Lead Incident Security Responder drives applied product security work across Black Duck’s portfolio, protecting our products and supporting the customer security inquiries that come into our Security Operations team. Operating with broad autonomy...Full timeWork at office
Blackduck
Canadaa month ago - ...complex problems, excited by ambiguity, and inspired by building worlds where friendships flourish, we'd love to meet you. As the Art Lead, you will... Lead and manage the art organization across our current and future games. This role owns the health, performance,...Full timeTemporary workRemote work
Gardens Interactive
Canada4 days ago - ...About the Role Float is hiring a Founding Lead to own and accelerate Float Intelligence end to end, across the technical foundations... ...to own a roadmap: choosing what to build, sequencing it, and defending what you left out. ~ Comfort working across other teams' surfaces...Work at office
Float Financial
Canada12 days ago $146k - $192.6k
...assistance, documentation, and training when required Technologies: C# GIS Support Python WPF Web ASP.NET ETL Windows More: We are a well-established leader in business and technology services, dedicated to accelerating transformation for our...Full timeWindowsRemote workFlexible hoursTEKsystems c/o Allegis Group
Canadamore than 2 months ago$122.1k - $162.8k
.... We look for fluency in well-architected principles across security, reliability, performance efficiency, cost optimization, and operations... ...quality reviews. We require demonstrated experience leading system-wide initiatives in regulated or complex environments from...Full timeTemporary workMCKESSON
Canadamore than 2 months ago- ...template, and no process to inherit. You will be in the tools daily, building things that will be played, broken, and rebuilt. The Lead title reflects seniority and the expectation that you will grow the design discipline over time. But for the foreseeable future, the...Full timeLocal areaRemote workFlexible hours
BulletFarm
Canada6 days ago $55.4 - $94.07 per hour
...Presbyterian at a transformative moment in our history. We are seeking a Lead Pharmacist, Perioperative Services to help lead pharmacy... ...technologies, and opening of the Daniel G. and Carole L. Kamin Tower. In this role, you will collaborate with multidisciplinary teams...Full time- ...As Lead PM for Tax Agents , you will play a central role in building the industry's leading agentic tax platform. You'll work hand-in-hand with our engineers and our most strategic customers to design, ship, and continuously improve intelligent agents that transform...Full timeRemote work
Fieldguide
Canada4 days ago - ...RESPONSIBILITIES Design and implement robust, scalable, and secure database solutions to support mission-critical applications; collaborate... ...and data workflows; knowledge of Linux, UNIX, and/or Windows environments; exposure to geospatial concepts such as spatial data...Full timeWindowsCanadaa month ago
$122.1k - $162.8k
...Science, Engineering, or a related field. We value experience leading enterprise-wide architecture initiatives and shaping strategic... ...design to support scalable RAG and AI use cases. We design secure integration patterns between Databricks and downstream AI services...Full timeWork at officeFlexible hoursMCKESSON
Canadamore than 2 months ago$196k - $236k
...architecture or engineering experience, with a track record of leading enterprise-scale, cross-platform initiatives. We have experience... ...authentication, authorization, versioning, error handling, and secure API consumption. We have experience designing and deploying...Full timeMCKESSON
Canadaa month ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Tower Lead - Cyber Security / Windows Defender || Calgary, AB - Onsite || Fulltime FTE. Be the first to apply!
