Senior Network Engineer

| Chicago
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Senior Network Engineer

Systems & Networks (IT) | Chicago, IL, USA

The Team / Who We Are

We’re a team of technology centric individuals that want to reduce the burden on our clients by providing a homegrown front-to-back platform that streamlines their processes. We’re pretty good at it, and it shows. In 2018, we added 90 new employees globally, 120 new clients, and two new offices. In 2019, we are continuing that growth and working on new tech upgrades. We are also proud to say that the founders still roll up their sleeves and contribute code. Imagine working alongside the founders of a global company on some of our tech initiatives. 

What We Need

We are currently looking for a self-motivated, Network Engineer to join our team. In this role, you’ll be involved in progressively improving our existing data center and network infrastructure and making recommendations on new technology. 

We have a number of different projects going on and that’s why we are looking for someone senior. 

Primary Responsibilities

The job involves the following responsibilities: Deploy, update, maintain and troubleshoot network hardware:

  • Responsible for maintaining the LAN, MAN, WAN networks.
  • Participate in infrastructure (networking) initiatives and technology reviews.
  • Assist with the purchase, provisioning, and deploying of data center network gear
  • Continue to build our networking infrastructure by facilitating new technologies and upgrades
  • Analyze our current networking infrastructure and make recommendations
  • Proactively review and improve existing networking configurations and designs
  • Act as a T2 SME and work directly with our clients on issues related to our platform, and connectivity issues

You are a great fit if

We think you are a great fit if you like technology, like to get things done without people asking and enjoy a collaborative, laid back environment. You could work at many awesome companies, but you’re picky about finding the right role. You are knowledgeable, care about the details, and like to learn new things. Also, you like food. 

Job Qualifications

To be successful in this role, you should have the following:

  • Enfusion is a Linux shop - candidate needs to be very comfortable in this type of environment.
  • Strong troubleshooting / network debugging skills from physical circuits and connections to application level debugging (packet captures).
  • Strong hands on experience with network hardware and networking technologies (top of rack switches, switch chassis, routers, firewalls, virtual appliances).
  • Strong understanding in designing, maintaining, and expanding data center networks and infrastructures (e.g., full understanding of optimizing / performance tuning east-west traffic and protecting / isolating north-south traffic
  • Experience with dark-fiber terminations and connectivity.
  • Experience with implementation of next generation data center / network architectures.
  • Strong experience with layer 2 networking protocols.
  • Strong experience with layer 3 dynamic routing protocols.
  • Strong experience with layer 3+ networking and security protocols. 
  • Experience with extranet providers and services.
  • Experience working with Tier 1 / Tier 2 global ISPs and configuring BGP routing with them
  • Exposure to working with firewalling operating system software a plus.
  • Very strong understanding of security concepts and technologies as they related to networking (e.g., WAF, DDOS, IDPS, PoLP, RBAC, SiD, and ZT)
  • Exposure to public cloud environments and integrating with on-prem systems
  • Experience with configuration management, monitoring, and other orchestration methodologies and technologies for networking infrastructure hardware.
  • Solid NetEng-grade scripting abilities (Bash, Sh, Perl, Python, or similar).
  • Good documentation and communication skills
  • Ability to bench press a 2U router.
  • Certified candidates highly preferred (e.g., CCNA, CCNP, JNCIS-*, JNCIP-*)
  • It would also help if you have a Bachelor of Science (BS) in Computer Science or Engineering
  • Be able to work onsite in Chicago. We’re right inside the Revival Food Hall.

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Technology we use

  • Engineering
  • Product
    • JavaLanguages
    • JavascriptLanguages
    • GroovyLanguages
    • RESTful ServicesFrameworks
    • MySQLDatabases
    • NoSQLDatabases
    • ConfluenceManagement
    • JIRAManagement


Located in the heart of the Loop in Downtown Chicago. The office is easy to get to with various train and bus stops nearby.

What are Enfusion Perks + Benefits

Enfusion Benefits Overview

Company-paid medical and dental insurance
Generous PTO package
Monthly commuting stipend
Free catered lunch every Friday
Fully stocked kitchen every day
401(k) matching

Partners with Nonprofits
Enfusion is an active sponsor of Help For Children and their global events.
Friends outside of work
Eat lunch together
Open office floor plan
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Dental Benefits
Enfusion pays the premiums for dental insurance.
Vision Benefits
Enfusion's vision plan allows employees to purchase contacts and glasses once a year, and also offers a discount on LASIK. Enfusion pays the premiums for vision insurance.
Health Insurance Benefits
Enfusion pays 100% of health insurance premiums for a low deductible plan. We also cover dependents for free!
Life Insurance
We offer a plan to all employees free of charge!
Onsite Gym
Retirement & Stock Options Benefits
Enfusion provides a Safe Harbor Vesting Schedule
401(K) Matching
We offer a generous matching of our employee's contributions
Performance Bonus
Child Care & Parental Leave Benefits
Family Medical Leave
Vacation & Time Off Benefits
Generous PTO
Enfusion's vacation policy includes three weeks paid time off for all employees. Each employee gets an additional day of PTO for every year of employment up to 5 years.
Paid Holidays
Enfusion offers all employees paid time off to observe all major holidays. We also follow the New York Stock Exchange holiday calendar.
Paid Sick Days
Enfusion offers 5 sick days for all employees
Perks & Discounts
Casual Dress
Commuter Benefits
Enfusion provides employees with $80 a month to use towards commuting related expenses, including public transit, parking, and ride sharing! Employees may also contribute additional funds tax-free!
Company Outings
Enfusion has quarterly team outings, as well as a Women of Enfusion outing, company-wide summer party, holiday parties, and other events! In addition to that, we also have summer intermural leagues!
Stocked Kitchen
Enfusion has a fully stocked kitchen including unlimited snacks, sweets, coffee, tea and variety of flavored LaCroix!
Some Meals Provided
Enfusion caters a weekly lunch every Friday for our employees.
Happy Hours
Enfusion loves hosting happy hours as often as we can!
Professional Development Benefits
Tuition Reimbursement
Enfusion will reimburse employees who successfully complete certifications directly related to their role!
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