15 network performance engineer jobs at 13 companies in Illinois
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Implementations/Activations Network Engineer II
Scott Air Force Base, Illinois, United States
$121k-$205k/yrOnsiteFull Time
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
2+ YOEPerform network activations and testing, manage service orders and TSOs, configure network devices, validate DISN requirements, and hold DoD-8570 IAT Level 2 certification; BS degree with 2–4 years experience required.
Cresset: Independent multi-family office and private investment firm.
6+ YOE6+ years IT infrastructure experience, hands-on Cisco Meraki, strong TCP/IP and networking knowledge, Microsoft 365/Entra/Intune and Windows Server experience, troubleshooting and documentation skills, ability to perform off-hours and travel as needed.
Cisco Meraki, Meraki Dashboard, Microsoft 365, Entra ID, Azure, Intune, Windows Server, PowerShell, Python, APIs
AARNYSE: AIR: Provides aftermarket products and services to global aviation customers.
3+ YOEExperience in app performance, monitoring/observability; Bachelor's degree or equivalent; 3+ years IT monitoring; strong knowledge of monitoring tools; Linux/Windows; Azure; scripting (Python, Bash, Ansible); analytical and collaborative skills.
New Relic, Python, Bash, Ansible, Azure, Linux, Windows, Networking, Databases, Web platforms
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
7+ YOEBachelor's degree, 7+ years software engineering, 5+ years designing distributed systems and public cloud experience; strong coding experience in common languages; payments and high-performance systems experience preferred.
Sr. Distinguished Engineer - Global Payment Network (Remote Eligible)
McLean or Richmond or Plano or Riverwoods or United States or North America
$286k-$359k/yrRemoteFull Time
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
9+ YOEBachelor's degree, 9+ years software engineering, 7+ years designing distributed systems and public cloud experience, expertise in high-performance/resilient systems, payments experience, and strong leadership/mentoring skills.
Headlands Technologies: A global proprietary trading firm utilizing quantitative algorithms.
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
VAST Data: Enterprise AI infrastructure and unified data platform.
5+ YOE5+ years supporting enterprise storage sales to large IT organizations; knowledge of distributed storage, DAS/NAS/SAN, virtualization, high-performance networking, and enterprise security; strong presentation and communication skills; ability to work in unstructured environments.
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
Expert in large-scale distributed training, HPC or distributed systems, GPUs/TPUs and high-performance networking, Python and PyTorch/JAX; published research and advanced degree (MS/PhD) or equivalent industry experience.
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
5+ YOE5+ years building production software in performance-critical environments; strong C++ and Rust experience; real-time streaming and low-latency systems expertise; concurrency, memory, and network programming skills.
BlackEdge Capital: Proprietary trading firm specializing in options market making.
Strong command of modern C++ for performance-critical, low-latency systems; deep OS/memory/concurrency knowledge; ability to co-design with FPGA hardware; collaborative communication skills. FPGA, kernel-bypass networking, ML, or market microstructure experience preferred.
ProAutomated: Provides on-site engineering and commissioning for industrial automation systems.
3+ YOETechnical degree or 3+ years hands-on electrical/mechanical/automation experience; foundation in electrical systems, programming, and communication networking; authorized to work in the U.S.; ability to travel and perform physical site work.
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
Expert C++ (C++20/23), strong Python or Rust experience, solid algorithms/data-structures and distributed systems knowledge, networking and Linux systems programming, performance profiling, CI/CD familiarity, on-call participation.
Amtrak: Operates America's national intercity passenger railroad system.
4+ YOEMonitor, maintain, and troubleshoot CTC, PTC, SCADA, EEPS and related networks; perform system administration on HP NonStop and RHEL 8; complete company roadway worker and operating rules training; shift work and on-call required.
AMTEC, SCADA, PTC, EEPS, CTC, Train Dispatch Control Systems, HP NonStop, Red Hat (RHEL 8), Igel, HP Thin Clients, Linux/Unix, ITIL Framework
Milpitas or New York City or New York or Washington or Illinois or United States or Canada
$184k-$264k/yrHybridFull Time
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
8+ YOE8+ years experience with a Bachelor’s in STEM, hands-on high-performance networking, C/C++ and Python, BSP/SDK and SAI experience, troubleshooting timing-dependent bring-up issues, and mentoring engineers.