Open Systems Technologies is a tier-one vendor for the world's most competitive financial and technology companies, offering both full-time and contract recruiting services across the country. We offer a positive, entrepreneurial, high performing culture where all employees have the unique opportunity to run a full desk. Our office looks, feels, and operates like a start-up, but with the stability, clientele, and resources that only an industry veteran can provide. At our core, we are structured to be flexible. With over 30 years of experience, OST has been able to stand the test of time and remains the leading provider of IT staffing solutions in NY due to our forward thinking and adaptability through fluctuating job markets and evolving work cultures. Open Systems Technologies is an Equal Opportunity Employer. All decisions regarding employment will be made without regard to age, race, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, marital status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state or local law.
On-site · Montréal
Design, configure, and integrate enterprise Windows desktop and laptop endpoints including hardware and firmware management. Provide level-3 support to resolve escalated issues and maintain technical documentation for the organization.
On-site · Mississauga
Drive the execution of strategic deliverables and transformative regulatory programs within the Markets business. Lead stakeholder meetings and working groups to define project plans and ensure alignment with data management practices.
On-site · Montréal
Perform engineering and operational activities for data security services, focusing on task automation and DevOps integration. Collaborate with stakeholders to enhance services through scripting, observability solutions, and Agile delivery practices.
On-site · Montréal
The Product Manager owns the end-to-end lifecycle of enterprise products within the Data & Analytics domain, ensuring strategic alignment and financial transparency. They act as the primary contact for product strategy, vendor management, and stakeholder engagement across various business units.
On-site · Montréal
The candidate will design, implement, and test surveillance models for Risk and Compliance in an agile environment. They will collaborate with Business Analysts, Scrum Masters, and DevOps teams to meet model requirements.
On-site · Montréal
The role involves reviewing, hardening, and improving code across internal .NET repositories to ensure high security standards. The engineer will collaborate with development squads to embed secure coding practices and remediate vulnerabilities found through security tooling.
Hybrid · Mississauga
The role involves designing and optimizing high-performance backend applications specialized in batch and real-time data processing. The developer will drive the architecture of complex distributed systems and provide technical mentorship to other engineers.
On-site · Montréal
Develop and enhance critical risk and pricing systems for Mortgage-Backed Securities. The role involves a mix of system automation, production monitoring, and resolving technical issues to improve operational efficiency.
Hybrid · Mississauga
Design and deploy production-grade LLM solutions and autonomous agentic systems for reasoning and decision support. Implement orchestration pipelines, RAG systems, and safety guardrails to ensure reliable AI performance.
Remote · ["Canada"]
Key Responsibilities • Design, develop, and enhance high quality software solutions supporting cybersecurity platforms. • Re-architect and modernize core components using contemporary architectures focused on availability, resiliency, and scalability. • Contribute to the delivery of initiatives aligned to the Cyber Security product portfolio roadmap. • Partner with global stakeholders and engineering teams to gather requirements and communicate technical solutions. • Analyze complex technical requirements and support architectural decision making. • Operate effectively in a fast paced environ…
