Security Engineering Team Lead

ESO; Halifax; On-site; CAD 120,000 - 160,000; Full time

Benefits offered by this job

Health plan (medical, dental, vision)

RRSP with company match

Telemedicine service

Front‑loaded vacation and sick time

Employee Assistance Program (EAP)

Life & disability insurance

Job summary

ESO is expanding its cyber security team in Canada and seeks a Security Engineering Team Leader to guide a skilled group of engineers across global collaborations. The role focuses on securing mission-critical applications used by fire, EMS, hospitals, and government partners.

You'll model threats, drive secure design, and mitigate vulnerabilities while working closely with Product & Technology teams to protect customers and data. This is a remote Canada-based position.

Qualifications

• 5+ years of experience securing software or infrastructure in cloud platforms (Azure, AWS, GCP).
• Securing systems in line with Well Architected Frameworks (Azure Well Architected).
• Experience with networking and applying security to networks, hosts, web apps and cloud-native deployments.
• Experience with asset management, vulnerability management, firewalls, SIEM, PAM, IDS/IPS, EDR/XDR, DLP, SWG, WAF, CSPM, CNAPP.
• Knowledge of SAST/DAST/IAST/RASP and secure development practices.

Responsibilities

• Lead security engineers and enable delivery of security consulting to the business.
• Provide escalated guidance to Product & Technology teams on secure design and application behavior.
• Model threats using STRIDE for new designs and ensure protections are in place.
• Mitigate vulnerabilities and evaluate new security technologies across systems.
• Respond to security and compliance issues detected by tools and audits.
• Collaborate cross‑team to share security expertise across ESO.

Skills

Cloud security

Network security

Threat modelling

Secure SDLC

MITRE ATT&CK

Security tooling

SAST/DAST/IAST/RASP

CI/CD security

Tools

SIEM

EDR/XDR

WAF

CSPM

CNAPP

PAM

IDS/IPS

DLP

Asset management

Vulnerability management

Job description

How You'll Support Our Mission

ESO's teams are growing, and our software is in demand globally by firefighters, paramedics, hospitals and governments. To meet this demand, we are building an industry-leading cyber security team in Canada to protect our customers and data from a variety of fast moving and constantly evolving threats. We are looking for a Security Engineering Team Leader to join our team in Canada, working alongside teams in Belfast, Denmark, Czechia and the United States. Work alongside our fire, hospital and EMS Engineering teams to secure our mission-critical applications. These applications are used to help our customers go about their daily job of protecting their communities and saving lives.

What You’ll Be Doing – the day to day

• Lead our team of Security Engineers – assisting with decision making and solution analysis, and enabling them to deliver security consulting to the wider business
• Work directly with, and provide escalated support and guidance to, our Product & Technology teams to assist in how our platform is built and how our applications behave; supporting everything from the security of our users inside our products to how our applications connect to the Internet.
• Have significant impact on the security of our systems that are used by thousands of fire fighters, paramedics and hospitals worldwide.
• Be a key part of our cyber security team, with demonstrable impact on the security of our systems and applications.
• Help our teams to model threats using the STRIDE model, against new designs, ensuring appropriate protection and controls are in place.
• Make a difference by mitigating vulnerabilities across our systems, helping developers to produce secure code and evaluating new next‑gen security technologies.
• Respond to security and compliance issues generated via analysis or automated tools.
• Work collaboratively cross‑team, to impart your expertise across the organisation.
• Be in the detail, working shoulder‑to‑shoulder with our technology teams.

Who You Are – some of the essential things required to be successful in the role

• At least 5 years' experience in securing software or infrastructure in cloud platforms (e.g. Microsoft Azure, AWS, GCP)
• Your experience should include;
• Securing systems in line with 'Well Architected Frameworks' e.g. Azure Well Architected Framework
• Network experience – whether designing and building, managing or troubleshooting – you should have experience and confidence in your networking knowledge
• Applying security to networks, hosts, web applications and cloud native deployments
• Working with toolsets from one or more of: asset management, vulnerability management, firewalls, SIEM, PAM, IDS/IPS, EDR/XDR, DLP, SWG, WAF, CSPM, CNAPP
• A solid understanding and ideally experience in the design, implementation or run of one or more of: SAST / DAST / IAST / RASP

You should also:

• Having knowledge of Continuous Integration / Continuous Deployment best practices, and securing pipelines
• Understand current attack tactics, techniques and procedures along with the use of MITRE Attack framework and associated MITRE security research
• Be inquisitive, have a passion for what you do and understanding how your work impacts and contributes ESO's success

Who You Are – it's desirable if you have any of the following

• Exposure to Infrastructure as Code and Azure native technologies
• Experience with threat modelling, NIST and CIS frameworks
• Knowledge of application security standards such as OWASP Top 10, SANS / CWE 25

Benefits & Perks

ESO offers a comprehensive suite of benefits to promote health and financial security for our employees and their families. For full‑time employment this includes:

• Competitive health plan (medical, dental, & vision insurance)
• RRSP with company match
• Telemedicine service provided by ESO
• Front‑loaded vacation and sick time
• Employee Assistance Program (EAP)
• Peace of mind benefits such as life insurance and disability insurance

About ESO

ESO is a fast‑paced, growing data, technology, and research company passionate about improving community health and safety through the power of data. We pioneer innovative, user‑friendly software to meet the changing needs of today's EMS agencies, fire departments, and hospitals. We're small enough to be nimble and fun, but big enough to be a great place to work. We serve thousands of customers out of our offices across the US, Canada and Northern Ireland.

Are you ready to Make a Difference? At ESO, we believe in bringing your true self to work every single day. We are looking for passionate, innovative, and authentic people to help drive our mission.

All offers are contingent upon a successful background check.

ESO is committed to creating a diverse and inclusive work environment and is proud to be an equal opportunity and affirmative action employer. We invite you to consider opportunities at ESO regardless of your gender; gender identity; gender reassignment; age; religion; race; national origin; political affiliation; sexual orientation; disability; veteran status; or other non‑merit factor.

Applicant Privacy Notice – please click here to review the privacy policy which details how your data is collected, used and protected.

This is a remote position, with candidates required to be based in Canada.

Please note that we do not provide visa sponsorship; candidates must have full authorization to work in Canada.