SimSpace

Technology

SeniorNetworkSecurityEngineer

$135–205k United States FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Network Security Engineer at SimSpace. Skills: Network security, Network engineering, Security operations. Act as subject matter expert. Design enterprise network infrastructure”

Industry & Context.

Technology
Problems you'll solve

Troubleshooting; Root cause analysis

What They're Looking For.

Must Have

Senior technical resource, Deep technical expertise, Analytical and troubleshooting skills, Ability to lead initiatives, Mentor junior engineers, Effective collaboration skills

Nice to Have

Experience with DAST tools

What You'll Do.

Act as subject matter expert

Design enterprise network infrastructure

Implement enterprise network infrastructure

Support enterprise network infrastructure

Secure enterprise network infrastructure

Design software-defined networking solutions

Implement software-defined networking solutions

Support software-defined networking solutions

Secure software-defined networking solutions

Configure VMware environments

Maintain VMware environments

Leverage software-defined networking

Contribute to network architecture design

Contribute to network architecture implementation

Configure virtual networking

Troubleshoot virtual networking

Configure traffic forwarding

Troubleshoot traffic forwarding

Configure hybrid cloud connectivity

Troubleshoot hybrid cloud connectivity

Troubleshoot network connectivity issues

Troubleshoot network outages

Troubleshoot switch failures

Troubleshoot network performance

Troubleshoot network interface card

Troubleshoot TCP/IP configuration

Manage secure web access technologies

Optimize secure web access technologies

Administer next-generation firewall infrastructure

Manage firewall policies

Manage high-availability configurations

Manage web application firewall

Manage edge security technologies

Manage custom protections

Manage bot mitigation

Manage application-layer threat prevention

Perform troubleshooting of incidents

Assist in vulnerability management activities

Perform web application vulnerability assessments

Coordinate remediation efforts

Validate corrective actions

How You'll Work.

Team & Collaboration

Collaborate with infrastructure stakeholders; Collaborate with cloud stakeholders; Collaborate with security stakeholders; Collaborate with business stakeholders; Collaborate with junior engineers

Full Job Description

SimSpace serves as an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment. Trusted by allied governments, militaries, enterprises, and research institutions worldwide, SimSpace enables adaptive, AI-ready defenses that stay ahead of evolving threats. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the platform unifies training, testing, and validation in a realistic, live-fire simulation—helping teams evaluate security investments, optimize performance, and compress cyber readiness cycles from months to days. Why join SimSpace? We are an organization that is focused on building our culture and mindfully enhancing our atmosphere every day 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. How Do We Work? We believe that people are at the center of everything we do. SimSpace fosters a culture of continuous learning, curiosity, and professional growth. That belief shows up in action: in-house training, internal and external learning platforms, cyber conferences, industry events, and dedicated time for skill development. Our people are empowered to shape their careers - and it shows. Year over year, SimSpace consistently outperforms industry benchmarks in internal mobility, promotions, and total rewards growth. Who Thrives Here? We are a team of innovators, protectors, and problem-solvers. We believe diversity of thought and experience fuels better solutions, and we’re committed to building teams that reflect the communities we serve. Whether you’re remote or office-based, you’ll collaborate with talented colleagues across departments and time zones, united by the mission to create a safer digital world. We invite you to apply today! The Senior Network Security Engineer p

Free ATS check

Applying for this Senior Network Security Engineer role?

Most applicants get filtered before a human reads their resume. See if yours makes the cut.

How to Apply on Ashby

  • Ashby is a fast modern ATS — most applications take under 3 minutes.
  • The resume parser is strong; verify parsed experience dates and job titles.
  • Custom screening questions are often scored algorithmically — answer completely.
  • Location field affects geo-based screening; use your actual metro area.

ANONYMOUS · UNFILTERED

What do employees actually say about SimSpace?

Real rants from real employees. Read before you apply.

Read Company Rants →