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Hybrid Senior Network Engineer - SimSpace

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Job Title
Hybrid Senior Network Engineer
Job Location
Boston, Massachusetts, United States
Job Description

Who is SimSpace:

SimSpace launched in 2015 with a singular purpose – addressing the most urgent and sophisticated cybersecurity challenges to reduce risk for our most vulnerable and valuable infrastructure. The organizations around the world that we depend on every day to keep our loved ones safe and secure. Our healthcare facilities, schools, financial institutions, transit centers, grocery stores, and workplaces just to name a few. To deliver global resiliency, we provide an elite cyber range platform to curate unassailable cyber defenses, data driven decisions, cutting edge training labs, live attack scenarios, and extensive individual and dynamic team readiness training. 

SimSpace works as OneTeam to elevate humanity around the world. We are committed to continuously improving and delivering a cultivated member experience whether that is accomplished through focusing on supporting our client’s teams or our own mission driven SimSpacers. 

We are an international hybrid, remote, and in-person company headquartered in Boston's Fort Point in the U.S. If you are interested in elevating the technology and creative solutions necessary to secure and safeguard our future while working alongside others who share your passion for purpose and development, we want to meet you!

Why should you choose a career at SimSpace?

We are an organization that is focused on building our culture and mindfully enhancing our atmosphere everyday which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members, external clients, and their customers.

Our core values:

  • Serve to Protect – We provide safe space, deliver on the mission, and elevate humanity
  • Acquire Understanding – We seek and provide clarity 10x, cultivate comprehension, and believe information goes both all ways
  • Operate as Innovators – We stay curious, practice consistency over intensity, and continue to be the change we need in the world
  • Teamwork Without Borders – We are never alone, we solve for all, and keep people at the heart of everything we do

The Senior Network Engineer position is a senior technology practitioner, responsible for the collaborative design, implementation, monitoring, and maintenance of network infrastructure, network operations, and technology solutions in use by SimSpace at all company locations and data centers across the United States and in Europe. This individual will serve as a senior technical resource, leading all support and design efforts. As a senior networking subject matter expert, the individual will have a deep technical understanding of critical network and security infrastructure in a large enterprise. The individual will coordinate all troubleshooting and/or triage efforts should the network experience any type of failure or incident. This position will also advocate for continual modernization of the network infrastructure, yielding an improved connected experience for our employees.

The successful candidate will have a demonstrated ability to use professional oral and written communication along with strong analytical and critical thinking skills to successfully take ownership and drive technology problem or incident management. Effective and collaborative interactions with colleagues, end users, IT leaders, and business stakeholders is critical to ensure success. The candidate should be an effective change advocate, possessing the ability to understand the impacts of technology transformation. The senior engineer should also have experience mentoring junior engineers, with hopes of contributing to their technical progression. As a first responder to incidents, the Senior Network Engineer needs to demonstrate a positive, friendly, and empathetic attitude with their team members and internal employees.

 What You Will Do (Responsibilities):

  • Act as the subject matter expert for SimSpace network infrastructure
  • Designs, implements, and supports all enterprise network infrastructure as well as Software Defined networking within the SimSpace platforms
  • Troubleshoot all levels of network connectivity issues including, but not limited to, network outages, switch failures, network performance, network interface card (NIC), cabling, TCP/IP configuration, etc.
  • Contributes to the design and implementation of a resilient, secure and scalable network
  • Ensures the resiliency of all network devices (routers, switches, wireless access points, VPN, VoIP)
  • Configure and troubleshoot virtual networking, vlans, and virtual routing and forwarding
  • Work closely with our other Systems and Network Engineers and Network Operations Staff to ensure network connectivity requirements are fulfilled in a timely manner
  • Ensure that all documentation on process and procedures are available and updated regularly following DT Network teams SOP
  • Plan, implement, maintain and coordinate upgrades/updates/fixes for core network operating systems and their related components, without negative impact to the overall availability and reliability of the enterprise systems/networks 
  • Monitor daily systems performance and execute corrective measures 
  • environment including security event detection, triage, and threat analysis
  • Assess existing security technologies to establish opportunities for improved security controls
  • Identify opportunities to improve process and operational disciplines
  • Stays abreast of available network upgrades, reducing the potential for technical debt
  • Technical leadership with fulfilling various requests, including maintenance tasks and business projects
  • Must be located near or willing to travel to the data center in Boston 2-3 times a week, or as needed, to oversee and support critical network infrastructure and ensure seamless operations

 What are the qualifications to apply? To be successful as a Senior Network Engineer you need:

  • 8+ years of core network engineering experience
  • 5+ years of security infrastructure experience
  • Strong understanding of network infrastructure and network hardware
  • Strong knowledge of major router and switching platforms including Cisco and Dell
  • Knowledge of OSI model and network infrastructure protocols
  • Experience working in complex VMWare environments leveraging NSX-T and DVS as well as other SD protocols
  • Strong Hands-on IPv4 and IPv6 support and implementations
  • Strong hands-on experience on Fortinet, Palo Alto and pfSense network firewall platforms
  • Strong hands-on experience on MESH VPNs, Site-to-Site VPNs, Remote VPN technology
  • Strong hands-on experience of Cisco routing protocols, including BGP, and configuration
  • Experience with LAN design including IP allocations, network segmentation, and VLAN definition and implementation
  • Experience designing and managing hybrid network and security environments with a mixture of on-premise stacks integrated with deployed cloud infrastructure and applications

Preferred but not required:

  • Experience with monitoring tools such as Solar Winds, OpsGenie, and Gigamon
  • Experience with Security Infrastructure tools such as Crowdstrike, Darktrace, and Rapid7
  • Ability to quickly learn new or unfamiliar technology and products using documentation and online resources
  • Proficient in Network Packet captures and analysis
  • Ability to lead project implementations: create a detailed schedule of tasks, spec out HW and inventory control

We provide the following:

  • Salary Range $110,000 - $180,000
  • Comprehensive benefits package that start on day one
  • 401k match with immediate vesting
  • Flex time, the time off you need when you need it
  • Equity options at hire and potential for additional based on performance
  • Generous employee referral bonus program
  • Peloton Interactive Wellness Program
  • LinkedIn Learning Membership
  • Monthly reimbursement for meaningful connections with other SimSpacers

SimSpace is an Equal Opportunity Employer:

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. 

SimSpace does not and shall not discriminate based on race, color, religion (creed), gender, gender expression and identity, age, national origin (ancestry), disability, marital status, sexual orientation, or military/veteran status, in any of its activities or operations. We are committed to providing an inclusive and welcoming environment for all members of our staff, clients, volunteers, subcontractors, vendors, and clients.

Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. However, no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application!

We also consider qualified applicants regardless of criminal histories, in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability, please contact

SimSpace does not accept unsolicited resumes from employment agencies.

Actual compensation for the position is based on a variety of factors, including, but not limited to affordability, skills, qualifications and experience, and may vary from the range.

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SimSpace Headquarters Location

Boston, MA

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SimSpace Company Size

Between 200 - 500 employees

SimSpace Founded Year


SimSpace Total Amount Raised


SimSpace Funding Rounds

View funding details
  • Series Unknown

    $45,000,000 USD