Network Administrator

Career Description

Simplex is looking for a high-energy individual who is looking to contribute to our talented team. You will support a team of developers and traders, in a dynamic environment. You will be someone excited by challenges and willing to go above and beyond in your performance. Our employees are truly our greatest asset. We’ve spent years building our team of talented and dedicated technologists, data-driven traders and leaders who emulate our core values: Collaboration, Ethics & Risk Management, and Diverse Opinions & Experience.

What will you be doing?

• Diagnose, improve, and maintain network infrastructures
• Develop and maintain monitoring systems (Systems and Network)
• Triage and Respond to problems/issues
• Prepare and execute network changes
• Create and maintain documentation
• Support the deployment and maintenance of Linux servers and workstations
• Support the deployment and maintenance of Windows desktops
• Support various office technology (Phones, Conference Rooms, Printers)
• Maintain and Deploy data center resources
• This is an in-office position, with occasional onsite work at several colocation facilities in Chicago, Aurora and New Jersey
• Other opportunities as assigned

Skills and Experience:

• 3+ years of experience as a network engineer
• Knowledge and understanding of OSI model layers 1-3
• Experience with common network protocols (BGP, IGMP, PIM, OSPF)
• Thorough understanding of multicast networking
• Experience working with linux and standard tools (bash, grep, sed, awk)
• Knowledge of common scripting languages (Python, Perl, Bash)
• Understanding of linux concepts (kernel, modules, memory allocation, filesystems, networking)
• Familiarity with common datacenter technologies a plus (IPMI, SNMP)
• Hands-on experience with some common software a plus (nagios, ansible, yum/rpm, git)
• Experience with troubleshooting complex performance issues
• Ability to lift and move heavy equipment (40-50 lb regularly)

Why us?

Founded in Chicago in 2004, Simplex is a leading, technology-driven, proprietary trading firm. We work with the most advanced technology and software in the market, and we’ve continued to remain at the forefront of the industry by always focusing on innovation, automation and data-driven analysis. We also leverage our experience and expertise to make strategic investments and capitalize on opportunities in the venture capital markets with promising, early-stage financial and technology start-ups. 

PLUS, the goods!

• Benefits: Excellent a la carte medical coverage (Free employee coverage), Dental, Vision, 401(k) match, and generous parental leave!
• The Office: The kitchen is stocked with snacks, and beverages; you also have daily stipends for breakfast and lunch! 
• Tuition Reimbursement: As an investment in our employees’ careers and the company’s future, we offer educational assistance to provide employees with professional development opportunities that increase their skills and enhance their contributions to the organization!
• Employee Discounts: To gyms, national brands, and more!
• Building: We are located in the Federal Reserve building. As a tenant you have access to a building gym, full cafeteria, and we are accessible to all public transportation!
• Charity Match: We match up to $2000 a year if you have a favorite charity to donate to!
• Fun Events: In-person happy hours, celebrations throughout the year, game nights, video game room fun, and so much more!

Simplex is an Equal Opportunity Employer