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United States Digital Space LLC
Senior Cyber Use Case DeveloperUnited States Digital Space LLC • Toronto, ON, Canada
Senior Cyber Use Case Developer

Senior Cyber Use Case Developer

United States Digital Space LLC • Toronto, ON, Canada
9 days ago
Job type
  • Full-time
Job description

Vous êtes aussi unique que votre parcours, votre expérience et votre point de vue. Ici, vous serez encouragé, habilité et défié à être à votre meilleur. Vous travaillerez avec des collègues dynamiques – des experts dans leurs domaines – qui sont désireux de partager leurs connaissances avec vous. Vos leaders vous inspireront et vous aideront à atteindre votre potentiel et à vous envoler vers de nouveaux horizons. Chaque jour, vous aurez de nouvelles et passionnantes occasions de rendre la vie plus brillante pour nos Clients – qui sont au cœur de tout ce que nous faisons.

Chez the company, nous sommes guidés par notre Raison d'être : aider nos Clients à réaliser la sécurité financière à vie et à vivre une vie plus saine. Nos valeurs façonnent notre façon de travailler : bienveillance, authenticité, audace, inspiration et impact.

Quand vous vous joignez à the company, vous travaillez avec des collègues passionnés et des leaders habilitants qui soutiennent votre croissance et célèbrent vos contributions, afin que vous puissiez faire une différence significative dans la vie de nos Clients.

Découvrez comment vous pouvez faire une différence dans la vie des personnes, des familles et des communautés du monde entier.

Description de poste:

Job description

  • The Senior Cyber Use Case Developer is responsible for leading the design, development, testing, and continuously improvement of advanced security monitoring use cases that detect suspicious activity, policy violations, and potential cyber threats across complex enterprise environments. This role provides subject matter expertise in detection engineering, threat-informed defense, telemetry analysis, and alert optimization, translating adversary behaviors, business risks, and operational requirements into actionable, high-fidelity detection logic.
  • The senior developer acts as a technical lead and trusted advisor for various teams, including Security Operations, Cyber Threat Hunting, Cyber Threat Intelligence, Incident Response. The role helps mature the organization’s detection capability by improving coverage of priority threats, reducing false positives, standardizing use case lifecycle practices, and ensuring detections remain effective as threats, technologies, and business priorities evolve.

Qualifications

  • Post-secondary education in Cyber Security, Information Technology, Computer Science, Information Systems, Engineering, or a related field, or equivalent practical experience.
  • 5 or more years of experience in security operations, detection engineering, threat hunting, incident response, cyber threat intelligence, security engineering, or a related cyber security function.
  • Relevant certifications such as CompTIA CySA+, GIAC GCIH, GCIA, GCTI, GCDA, GCFA, CISSP, Microsoft Security certifications, Splunk certifications, cloud security certifications, or MITRE ATT\&CK Defender.
  • Demonstrated experience leading or materially contributing to detection use case development, SIEM content engineering, alert tuning, and use case lifecycle management in an enterprise environment.
  • Advanced hands-on experience working with SIEM, EDR, XDR, cloud security, identity, network, endpoint, and application telemetry.
  • Strong proficiency writing detection logic or search queries using languages such as SPL, KQL, SQL, Sigma, YARA, Python, PowerShell, regular expressions, or similar.
  • Deep understanding of attacker behaviours, malware techniques, persistence, privilege escalation, lateral movement, credential abuse, phishing, data exfiltration, cloud compromise, and identity-based attacks.
  • Strong working knowledge of security frameworks and methodologies such as MITRE ATT\&CK, Cyber Kill Chain, NIST, CIS Controls, detection engineering frameworks, and threat-informed defence practices.
  • Experience analyzing complex security telemetry and incident data to identify detection gaps, define requirements, and produce actionable findings.
  • Ability to lead technical discussions, influence stakeholders, mentor peers, and communicate detection strategy clearly to technical and non-technical audiences.
  • Strong documentation, quality assurance, prioritization, and stakeholder management skills.

Responsibilities

  • Lead the development, enhancement, and lifecycle management of cyber security detection use cases across SIEM, EDR, XDR, cloud, identity, network, endpoint, and application telemetry sources.
  • Translate adversary tactics, techniques, procedures, threat intelligence, incident learnings, and business risk scenarios into scalable, high-fidelity detection logic aligned to frameworks such as MITRE ATT\&CK.
  • Design, write, test, tune, and peer review advanced correlation rules, search queries, analytics, dashboards, and alert logic using platforms.
  • Establish and maintain use case development standards, including intake, prioritization, design documentation, validation, deployment readiness, tuning, change control, performance measurement, and retirement criteria.
  • Assess enterprise telemetry coverage, data quality, parsing, normalization, and logging gaps, and partner with engineering teams to improve data source reliability and detection readiness.
  • Lead detection gap assessments and coverage mapping for priority threat scenarios, critical assets, attack paths, control failures, and emerging threat behaviors.
  • Partner with Threat Hunting and Threat Intelligence teams to operationalize intelligence, hypotheses, and hunting outcomes into durable monitoring content and proactive detection capabilities.
  • Drive false-positive reduction and alert quality improvements through structured tuning, enrichment, suppression logic, threshold refinement, and feedback from operational teams.
  • Support purple team, attack simulation, breach and attack emulation, tabletop, and control validation exercises to test and improve detection coverage.
  • Measure and report use case performance through metrics such as alert volume, precision, true-positive rate, false-positive rate, coverage, mean time to detect, and operational usefulness.
  • Be a mentor for the team and contribute to knowledge sharing, peer reviews, technical training, and continuous improvement of detection development practices.
  • Stay current on emerging threats, vulnerabilities, adversary tradecraft, cloud and identity attack techniques, and security monitoring best practices, and apply those insights to detection strategy.

This role requires Reliability Status Clearance . In addition to a law enforcement inquiry and a credit check, as part of your application, the Government of Canada will ask if you lived or travelled outside of Canada for 6-consecutive months during the last 5 years, and you must account for all activities during this time.

L'étendue du salaire de base s'applique au lieu principal pour lequel l'emploi est affiché. Elle peut varier en fonction du lieu de travail du candidat retenu ou d'autres facteurs. En plus du salaire de base, les employés admissibles de the company participent à divers régimes d'encouragement dont le paiement est discrétionnaire et assujetti au rendement individuel et à celui de l'entreprise. Certains rôles axés sur les ventes comportent des régimes d'encouragement à la vente basés sur les résultats des ventes individuelles ou de groupe.

La diversité et l'inclusion ont toujours été au cœur de nos valeurs chez the company. Une main-d'œuvre diversifiée avec des perspectives variées et des idées créatives profite à nos Clients, aux communautés où nous opérons et à nous tous comme collègues.

Nous accueillons les demandes de personnes qualifiées de tous les milieux.

Les personnes handicapées qui ont besoin d'accommodements dans le processus de demande ou celles qui ont besoin d'offres d'emploi dans un format différent peuvent envoyer une demande par courriel à hr@unitedstatesdigital.space .

Nous sommes fiers d'être une organisation hybride qui offre à nos employés le choix et la flexibilité de travailler à la fois au bureau et virtuellement en fonction des besoins de l'entreprise, de nos Clients et de vous.

Nous pouvons utiliser l'intelligence artificielle pour soutenir la recherche de candidats, le filtrage et la planification des entrevues.

Nous remercions tous les candidats d'avoir manifesté de l'intérêt pour ce poste. Seuls les candidats sélectionnés pour une entrevue seront contactés.

Échelle salariale:

90,000/90 000 - 140,000/140 000

Catégorie d'emploi:

Services technologiques - TI

Fin de l'affichage:

07/08/2026

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Senior Cyber Use Case Developer • Toronto, ON, Canada

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