Open Systems Technologies

About the Company

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.

Listed Jobs

Company Name

Open Systems Technologies

Job Title

Java/Python Developer

Job Description

**Job Title:** Java/Python Developer **Role Summary:** Develop, maintain, and enhance automation and self‑service tooling for critical infrastructure using Java, Python, RESTful services, and CI/CD pipelines. Collaborate with global teams and customers to prioritize enhancements, resolve issues, and ensure reliable operation of data engineering platforms. **Expectations:** - Deliver end‑to‑end software solutions with built‑in unit tests and documentation. - Provide on‑call support and rapid troubleshooting across code, OS, network, and hardware layers. - Communicate effectively with distributed, multinational teams and stakeholders. **Key Responsibilities:** - Design, implement, and maintain Java and Python services supporting automation and infrastructure upgrades. - Build and manage CI/CD pipelines using Jenkins, Git, BitBucket, and related tools. - Create and execute unit and integration tests; produce technical documentation. - Participate in Agile ceremonies, sprint planning, and backlog grooming. - Perform root‑cause analysis and resolve production incidents; provide on‑call rotation support. - Collaborate with platform engineers to integrate containerization (Kubernetes, Podman) and cloud services (AWS/Azure). **Required Skills:** - Proficient in Core Java and Python development. - Strong debugging skills across application, OS, network, and storage components. - Experience with version control (Git), CI/CD (Jenkins), and Agile tools (Jira, BitBucket). - Excellent written and verbal communication; ability to work in globally distributed teams. - Willingness to participate in on‑call rotation. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent practical experience). - Relevant certifications optional but preferred (e.g., Oracle Certified Professional Java SE, AWS Certified Developer, Certified Kubernetes Administrator).

Montreal, Canada

Hybrid

07-11-2025

Company Name

Open Systems Technologies

Job Title

Cloud Platform Engineer

Job Description

Job Title: Cloud Platform Engineer Role Summary: Design, build, and maintain scalable, secure cloud infrastructure across multi‑cloud environments, using IaC, automation, and monitoring tools to support production workloads and partner solutions. Expectations: Deliver reliable, reusable infrastructure and automation solutions, collaborate cross‑functionally, troubleshoot complex issues, and provide 24×7 documentation and handover. Key Responsibilities: - Architect and implement cloud resources for IaaS, PaaS, and SaaS services in AWS and Azure. - Develop and maintain Infrastructure as Code (IaC) with Terraform, ARM/Bicep, or CloudFormation. - Create and manage Pipelines as Code using GitHub Actions, Azure DevOps, and related CI/CD workflows. - Automate provisioning, deployment, patching, monitoring, backup, and restoration tasks. - Core integration of systems into ITSM/ITOM platforms such as ServiceNow. - Implement event monitoring, alerting, and log aggregation with Azure Monitor, Log Analytics, CloudWatch, CloudTrail, Splunk, or ELK. - Collaborate with support teams and vendors to enforce security, compliance, and operational best practices. - Conduct proof of concepts, performance tuning, and iterative improvements. - Document architecture, processes, and handover knowledge to 24/7 support teams. Required Skills: - Proficiency in one or more major cloud providers (AWS, Azure). - Strong automation using PowerShell, Bash, or similar scripting languages. - Experience with IaC tools (Terraform, ARM/Bicep, CloudFormation) and OWIN orchestration tools (Rundeck, Cutover). - Git branching/merging expertise and pipeline as code experience. - Knowledge of monitoring, log aggregation, and alerting tools. - Understanding of networking, DNS, databases, and application infrastructure. - SDLC practices, troubleshooting, and root‑cause analysis. - Excellent verbal and written communication; stakeholder engagement. Required Education & Certifications: - Bachelor’s degree in Computer Science, Engineering, or related field. - Relevant cloud certifications (AWS Certified Solutions Architect, Azure Certified Solutions Architect, HashiCorp Terraform Associate) are preferred.

Charlotte, United states

Hybrid

09-11-2025

Company Name

Open Systems Technologies

Job Title

Senior Business Systems Analyst / Data Architect

Job Description

Job Title: Senior Business Systems Analyst / Data Architect Role Summary: Lead the design, implementation, and optimization of enterprise data architecture and business systems solutions. Align technology strategy with executive objectives, drive process improvements, and manage large-scale projects to deliver value across the organization. Expectations: - Serve as a senior consultant to business units, translating strategic goals into actionable IT solutions. - Own end-to-end project delivery, ensuring alignment with overall information systems architecture. - Influence senior leadership on IT direction, priorities, and investment decisions. Key Responsibilities: - Design, review, and approve system solutions that meet business needs and architectural standards. - Develop and implement new processes, standards, and operational plans that impact functional outcomes. - Analyze business objectives and value propositions to shape IT strategy and operating models. - Identify opportunities for process automation or technology enhancement to improve efficiency and effectiveness. - Recommend long-term IT improvements that support growth and future business directions. - Coach, evaluate, and delegate work to junior professionals. Required Skills: - In-depth knowledge of asset management domain. - Expertise in GoldenSource data modeling and application. - Proficiency with Snowflake-based lakehouse architectures. - Experience with AWS cloud services (preferred). - Strong analytical and problem‑solving abilities. - Excellent communication and stakeholder management skills. - Ability to manage large projects and influence senior leadership. Required Education & Certifications: - Bachelor’s degree in Computer Science, Information Systems, Finance, or related field (preferred). - 10+ years of experience in asset management (or 5+ years in business systems analysis with 7+ years preferred). - Eagle Security Master certification (required).

Iselin, United states

On site

Senior

09-11-2025

Company Name

Open Systems Technologies

Job Title

Network SME

Job Description

Job title: Network SME Role Summary: Lead the design, implementation, maintenance, and automation of large‑scale, secure network infrastructures across production and non‑production environments. Drive segmentation, security, and reliability in complex, high‑security contexts while coordinating with business and technical teams. Expectations: - 10+ years of professional networking experience (financial services, tech vendors, or systems integrators). - Demonstrated expertise in Ethernet, routing, multicast, and advanced switching technologies. - Proficiency with Cisco (ASR, Nexus, Catalyst, IOS, IOS‑XE, NXOS, IOS‑XR) and Arista (EOS) equipment. - Strong scripting and automation capability (Python; Ansible optional). - Ability to secure multi‑tier network architectures and drive risk communication. - Willingness to perform weekend and off‑hour work with compensatory time. Key Responsibilities: 1. Design, implement, and maintain secure network infrastructures for production and non‑production settings. 2. Lead network segmentation initiatives to enforce security boundaries and optimize business operations. 3. Develop and execute comprehensive deployment plans, including security, stability, and change management. 4. Build and maintain automation scripts and Ansible playbooks to streamline repetitive network tasks. 5. Conduct scheduled network changes, migrations, and upgrades during weekends or outside normal hours. 6. Collaborate with cross‑functional teams to explain risks, gather requirements, and socialize solutions. 7. Utilize network analysis tools (Wireshark, Infoblox, HPNA, Splunk, SevOne) for monitoring and troubleshooting. 8. Manage project tasks using JIRA, applying Agile/Kanban methodologies. 9. Ensure adherence to security best practices: defense‑in‑depth, zero trust, least privilege, and risk controls. Required Skills: - Deep knowledge of Ethernet (STP, 802.1X, VPC, leaf‑spine IP fabric). - Proficiency with IP routing protocols (RIP, OSPF, BGP, MPBGP, TCP/IP) and multicast (PIM, IGMP, MSDP). - Hands‑on experience with Cisco and Arista switches, routers, and operating systems. - Strong scripting and automation experience (Python, Ansible). - Familiarity with network monitoring and security tools (Wireshark, Infoblox, HPNA, Splunk, SevOne). - Comfortable using JIRA and Agile/Kanban project workflows. - Excellent communication and presentation abilities. Required Education & Certifications: - Bachelor’s degree in Computer Science, Information Technology, or related field (preferred). - CCIE or equivalent senior networking certification strongly preferred. - Additional certifications in network security (e.g., CCNP Security, CISSP) are a plus. - Knowledge of UNIX/Linux environments and basic wireless/SDN/SDWAN concepts is advantageous.

Montreal, Canada

Hybrid

Senior

10-11-2025