Senior Software Engineer, Network Simulation

This is a fully remote position, open to applicants in United States.

📋 Description

• Act as the technical lead for SimSpace's internet simulation platform.

• Take ownership of the complete architecture for the eBPF-based routing simulation layer, which includes designing XDP and TC hook points, BPF map structures, and generating synthetic ICMP TTL-exceeded messages.

• Create and develop the control-plane topology database and pipeline for processing real-world internet topology data.

• Design the in-range proxy agent responsible for managing local topology configurations, DNS delegation, and traffic forwarding.

• Establish the control-plane and in-range-agent interface contract, encompassing topology updates, graceful degradation, and agent lifecycle management.

• Make daily architectural choices, conduct design evaluations, and uphold engineering quality throughout the team.

• Collaborate with engineers on simulation-related challenges and influence the technical roadmap.

• Mentor engineers in systems design, kernel-level debugging, and maintaining engineering rigor.

• Work alongside platform teams to develop the operational model for a long-term, multi-tenant service that supports active cyber range deployments.

⛳️ Requirements

• Extensive knowledge of Linux kernel networking and eBPF program development, including expertise in XDP, TC hooks, and various BPF map types.

• Proficient in systems programming using C or Rust for eBPF development.

• Experience with Go or Python for control-plane agents and tooling.

• Strong grasp of BGP, ASN topology, CIDR allocation, and inter-AS peering.

• Proven experience in designing systems that separate control-plane and data-plane functions.

• Demonstrated technical leadership in establishing architectural direction and enhancing engineering quality across a team.

• Comfort in transitioning research proofs of concept into dependable production systems at scale.

• Familiarity with Kubernetes for control-plane services and distributed agents.

• Experience in network simulation, traffic shaping, or cyber range infrastructure is a significant advantage.

• Previous experience in cybersecurity, defense, or adjacent government sectors is a plus.

• Must be able to verify identity and eligibility to work in the United States.

• Proof of U.S. citizenship is required at the time of hire.

🏝️ Benefits

• Annual bonuses linked to company performance and individual contributions.

• Comprehensive medical, dental, and vision plans.

• Savings plans with benefits starting on the first day of employment.

• Company-sponsored counseling, coaching, and family resources via Spring Health.

• 401(k) retirement savings plan with a company match.

• Unlimited vacation policy.

• Dedicated health & wellness days.

• Paid parental leave.

• Equity stock options upon hire.

• Annual performance-based equity grants.

• Employee referral bonuses ranging from $1,500 to $3,500 for each qualified hire.

• Fully and partially subsidized Peloton membership plans.

• Discounts on Peloton equipment.

• Access to LinkedIn Learning membership.

• Monthly reimbursements for meaningful connections with teammates through the SocialSpace Community.

• Legal plan coverage.

• Pet insurance.

• Wellness reimbursements.

• Flexible remote work arrangements.