What are the responsibilities and job description for the Network Security Engineer position at LaSalle Network?
Key Details
- Compensation: $75 hr
- Contract Duration: 6-12 months
- Benefits: Medical, Dental, Vision insurance offered
- Location: Hybrid in Glenview, IL
- Work Model: Hybrid (onsite remote flexibility)
LaSalle Network is hiring a Network Security Engineer (Contract) to support a high-impact security initiative with a global industry leader. This Network Security Engineer role is built for someone who thrives in fast-moving environments, can operate independently and is ready to step in and make immediate contributions. You’ll partner closely with infrastructure and cybersecurity teams to strengthen defenses, remediate vulnerabilities and modernize critical systems.
This Network Security Engineer will play a key role in bridging the gap between threat identification and remediation execution—owning work from discovery through resolution.
What’s the job?
- Assess and remediate vulnerabilities identified by cybersecurity teams
- Perform impact analysis on newly disclosed threats (VMware, network devices, etc.)
- Support VMware upgrades and infrastructure hardening initiatives
- Improve Active Directory hygiene (stale accounts, outdated groups, permissions)
- Review logs and analyze event IDs to identify risks
- Execute firmware upgrades across network devices
- Manage and resolve security-related tickets via FreshService
- Collaborate with vendors for testing, validation and remediation
- Support encryption upgrades (RC4 to AES migration)
What’s needed?
- 5 years in infrastructure and security engineering roles
- Strong experience with Windows environments and VMware
- Hands-on expertise with Active Directory (permissions, account management)
- Proven experience in vulnerability management and remediation
- Familiarity with Cisco ISE and network security principles
- Solid understanding of switches, routers and firewalls
- Strong troubleshooting and communication skills
- Ability to work independently in a senior-level capacity
What’s in it for me?
- Opportunity to lead impactful security initiatives
- Exposure to enterprise-scale infrastructure and modernization efforts
- Collaborative, high-performing IT environment
- Contract benefits including Medical, Dental and Vision coverage
If you’re a Network Security Engineer ready to own security outcomes and make a measurable impact, we want to hear from you.
LaSalle Network
LaSalle Network is an Equal Opportunity Employer m/f/d/v.
LaSalle Network is the leading provider of direct hire and temporary staffing services. For over two decades, LaSalle has helped organizations hire faster and connect top talent with opportunities, from entry-level positions to the C-suite. With units specializing in Accounting and Finance, Administrative, Engineering, Marketing, Technology, Supply Chain, Revenue Cycle, Call Center, Human Resources and Executive Search, LaSalle offers staffing and recruiting solutions to companies of all sizes and across all industries.
LaSalle Network is the premier staffing and recruiting firm, earning over 100 culture, revenue and industry-based awards from major publications and having its company experts regularly contribute insights on retention strategies, hiring trends, hiring challenges, and more to national news outlets. LaSalle Network offers temporary Field Employees benefit plans including medical, dental and vision coverage. Family Medical Leave, Worker's Compensation, Paid Leave and Sick Leave are also provided.
View a full list of our benefits here: View a full list of our benefits here.
All assignments are at-will and their duration is subject to change.
Salary : $75