Top Tech Jobs & Startup Jobs in Chicago, IL

Client-facing security officer advising senior security leadership, assessing threat landscape, and proposing mitigations. Strengthen information security posture across infrastructure devices (IDS/IPS, firewalls, VPN), vulnerability scanning, host-based controls, and ISO 27001. Communicate security concepts to technical and non-technical teams, work with virtual teams, present to clients, and provide on-site presence weekly with occasional travel.

Provide design, installation, configuration, management and administration of enterprise data center Windows servers. Support server consolidation and physical-to-virtual migrations, resolve complex technical issues, lead projects, and participate in on-call rotation.

Provide day-to-day desktop and executive end-user support: new-hire imaging, virus remediation/data transfer, break/fix and software support, computer refreshes, and walk-up counter assistance.

Lead business analysis for complex IT process implementation projects: gather and document requirements, develop data and process flow models, perform feasibility and solution analysis, prioritize deliverables, and facilitate cross-functional requirements sessions. Support solution proposals and ensure detailed business requirements are written and maintained.

Manage the ITSM ticket queue and lifecycle to closure: monitor SLAs/KPIs, escalate as needed, coordinate with service desk and resolver groups, document resolutions, and provide daily status reports. Serve as escalation point and drive issues to resolution. Onsite contract role in Bannockburn, IL (8+ months); PMP/PMI preferred.

Work with Treasury and BI teams to document current and future requirements, review BI tools, conduct requirement walkthroughs, perform system integration testing, and support UAT for BI/data warehouse solutions.

Contract Hadoop Developer/Admin to design, develop and administer data lake/Hadoop environments. Must have Talend integration experience and relevant certification. 24+ month contract based in Dearborn, IL; pharma experience is a plus.

Implement, maintain, and support PeopleSoft HCM solutions: design, code, test, debug, troubleshoot production issues, advise HR partners, lead technical project planning and delivery, and perform feasibility and system requirement analysis.

Lead and own the PAS data migration scope for a 12-month Chicago-based project. Develop migration strategy, schedule, budget, and manage risks. Coordinate PAS vendor, QA, and business teams, and drive program- and project-level decisions to meet timelines and deliverables.

Senior Perl Lead Developer responsible for Perl application development and maintenance, working with relational databases and SQL. Strong Perl expertise and paid certification required; familiarity with C# or Java is desirable. Contract role (6–12 months) with potential for long-term engagement, based in Chicago.