Network Security Engineer

DRW is a diversified trading firm with over three decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world.  We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trade at our own risk. 

Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital, and cryptoassets. 

We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters–it's how we do it.  DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. 

We are seeking a Network Security Engineer to join the network security team to ensure that our infrastructure and networks are properly protected. They will design, coordinate and implement security controls, audit configurations, and design networks in a hybrid compute environment. A successful candidate will have an attention to detail, the ability to understand what impacts their changes have on the network and relevant associated services.   

 What you’ll be doing:  

• Collaborate with the wider security team and other internal groups to help gather requirements, implement solutions, and support our global environment
• Help design, implement, and support critical infrastructure related to trading
• Design, configure, maintain, upgrade, troubleshoot key elements related to Cisco ISE, specifically focusing on: IEEE 802.1x, TrustSec, Guest Access, and PKI & Certificates
• Assess, troubleshoot and implement firewalls, IPS and VPN concentrators
• Improve our support tools and processes to enhance our monitoring and automation efforts  
• Occasionally dissect and analyze network packet captures to dig into security incidents and to understand where things are failing  
• Take opportunities to automate tasks and streamline security operations

  What we’re looking for:    

• A senior network security engineer with architecture, implementation, and operational support experience  
• Knowledge on design and support with Cisco ISE
• Foremost understanding with firewalls, client VPN, and IPS
• Comprehension of scripting and coding language skills
• You are OK with on-call and some night and weekend work  
• Passionate about high-quality work and relentlessly pursue continuous improvement  
• Full understanding of network concepts like TCP, UDP, IP, the OSI Model, Layer 1/2/3, etc.  
• Excellent written and verbal communication skills   

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