Senior Software Engineer - Networking
SimSpace Corporation2 days ago
Base Salary
$160k - $225k/yr
Responsibilities
- Own the technical design and implementation of Greyspace services, including service boundaries, data ownership, API contracts, and failure behavior.
- Build services that configure, deploy, and manage simulated internet environments and turn prototypes into maintainable, tested software.
- Develop realistic network and application behavior for DNS, certificates, routing, web, and mail services.
- Design reusable services with isolated per-range configuration, credentials, mutable state, and fault boundaries.
- Integrate Greyspace with platform, range, and emulation teams and support operator workflows for configuration, readiness, troubleshooting, and lifecycle management.
- Translate training needs into prioritized use cases, acceptance criteria, and incremental delivery plans with Product and technical leaders.
- Scope and estimate projects, clarify dependencies and trade-offs, and validate high-risk decisions through focused technical proofs.
- Drive operational readiness through integration tests, observability, performance testing, recovery procedures, and deployment and upgrade validation.
- Participate in design and code reviews, resolve cross-service technical risks, improve engineering practices, and mentor other engineers.
Requirements
- 5+ years of software engineering experience building distributed applications, platform services, or networked systems and independently delivering technically complex projects.
- Proven ability to design, build, and ship production-grade distributed services across the full software development lifecycle.
- Strong networking fundamentals in TCP/IP, DNS, HTTP, and TLS, with hands-on diagnosis across application, service, and network boundaries.
- Experience designing multi-tenant or distributed systems with clear isolation, state management, API, and failure-recovery boundaries.
- Proficiency in a modern backend programming language and software engineering practices including API design, service decomposition, automated testing, code review, and CI/CD.
- Hands-on experience with Linux, containers, and Kubernetes, including deploying and troubleshooting services.
- Strong technical decision-making, scoping and estimation judgment, communication, and collaboration across partner teams.
- Experience with self-hosted, on-premises, or disconnected environments is a strong plus.
- Familiarity with cyber ranges, simulation, or internet service infrastructure is a plus.
- Experience in security-sensitive or compliance-driven environments such as DoD, FedRAMP, or SOC 2 is a strong plus.
Benefits
- Base salary range of $160,000–$225,000, plus potential annual performance-based bonuses and equity stock options.
- Comprehensive medical, dental, and vision benefits with coverage beginning on day one, plus savings plans.
- Company-paid counseling, coaching, and family resources through Spring Health.
- 401(k) retirement savings plan with company match.
- Unlimited vacation and dedicated health and wellness days.
- Paid parental leave.
- Employee referral rewards of $1,500–$3,500 per qualified hire.
- Subsidized Peloton membership plans and equipment discounts.
- LinkedIn Learning membership and monthly SocialSpace Community reimbursements.
- Legal plan coverage, pet insurance, wellness reimbursements, and other perks.
- The role supports hosted and on-premises environments; the posting describes collaboration across remote or office-based teams and time zones.
Tech Stack
Categories
About SimSpace Corporation
SimSpace builds cyber ranges and a live-fire simulation platform used by governments, militaries, and large enterprises to train cyber teams, validate defenses, and test AI agents. The company sells software and expert services for training, threat emulation, and technology evaluation in replicas of production environments. Founded in 2015 by veterans of U.S. Cyber Command and MIT Lincoln Laboratory, SimSpace is privately held and headquartered in Orlando, Florida.