66 network security engineer jobs at 29 companies in O'Fallon, IL
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Edward Jones: Offers investment management and financial planning through local branches.
5+ YOE3+ Mgmt5+ years network security or related experience with 3+ years leading teams; bachelor’s degree or equivalent experience; working knowledge of network security technologies; strong communication and decision-making skills.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEU.S. citizenship, active Secret clearance, DoD-8570 IAT Level 2 (Security+ CE or equivalent), BS with 4+ years (or MS with 2+ years), network engineering experience with BGP/ISIS and related services, strong communication skills.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
2+ YOERequires U.S. citizenship and active Secret clearance, BS (or MS) with relevant experience, DoD-8570 IAT Level 2 (Security+ CE or equivalent), 2+ years network engineering experience, proficiency with Cisco/Juniper and network protocols.
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOETS/SCI clearance, Bachelor's degree or equivalent, 5+ years in network/transport tech, design/engineering experience, security compliance, strong documentation and communication.
Visio, Word, Excel, PowerPoint, Network design tools
Fort Meade or Columbus or Hill AFB or Mechanicsburg or Pensacola or San Antonio or Scott AFB or Tinker AFB
$78k-$176k/yrHybridFull Time
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years in DoD network design, security architectures, SDN/Zero Trust; secret clearance; HS diploma; CCNA/CCNP or equivalent; Bachelor's preferred.
Novul Solutions: Providing cybersecurity, software engineering, and IT solutions for government.
2+ YOESecurity+ CE or DoD 8570 IAT Level II, 24/7 shift ability, Transport/IP network knowledge, incident/documentation experience, DoD Secret clearance
I2X Technologies: Provides mission-critical engineering, cybersecurity, and IT services to government agencies.
4+ YOERequires active Top Secret with SCI, DoD-8570 IAT Level 2 (Security+ CE or equivalent), bachelor's degree with 4+ years relevant experience (or equivalent), 24x7 shift availability, and deep knowledge of transport and IP network topologies.
Cisco, Juniper, MSPP, MPLS, SDH/SONET, SolarWinds, Jira, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft Access, Microsoft PowerPoint, Microsoft Teams
LightGrid, LLC - Implementations Network Engineer III
Scott Air Force Base, Illinois, United States
OnsiteFull Time
LightGrid: Provides telecommunications and IT services for government and defense.
2+ YOEActive Secret clearance, DoD-8570 IAT Level 2 (Security+ CE or equivalent), BS (4–8 yrs) or MS (2–6 yrs) experience, strong network engineering skills with BGP/OSPF/DHCP/DNS/TCP-IP/VLAN/VRF, and service order/configuration experience.
Defense Information Systems Network (DISN), Microsoft SharePoint, BGP, OSPF, DHCP, DNS, TCP/IP, WAN, VPN, VLAN, VRF
Hunter Engineering: Designs and manufactures automotive service and inspection equipment.
7+ YOE7+ years IT experience with 3+ years in security; experience with Microsoft Office 365, Azure, Active Directory, PowerShell; strong networking, incident response, forensics, and communication skills.
Data Loss Prevention (DLP), SIEM, UEBA, Microsoft Office 365, Azure, Active Directory, PowerShell, Regular Expressions
Networking & Distributed Systems Researcher – Product Security Engineer
Huntington Beach or Hazelwood or Arlington
$123k-$186k/yrOnsiteFull Time
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
3+ YOEU.S. person eligible for Top Secret clearance, BS in engineering or related, 3+ years network development, proficiency in C/C++/Python and Linux, experience with networking protocols and transport technologies.
LeidosNYSE: LDOS: Provides engineering and IT solutions for government agencies.
4+ YOEBachelors degree and 4+ years relevant experience, active Secret clearance, U.S. citizenship, DoD-8570 IAT Level 2 (Security+ CE or equivalent), experience with Cisco/Juniper and routing protocols (BGP, OSPF), and strong written/verbal communication.
Cisco, Juniper, SharePoint, Initial Test and Acceptance (IT&A), Defense Information System Network (DISN), DISA Storefront (DSF), DDOE, BGP, ISIS, OSPF, DHCP, DNS, TCP/IP, WAN, VPN, VLAN, VRF
Networking & Distributed Systems Researcher – Product Security Engineer
Huntington Beach or Hazelwood or Arlington
$123k-$186k/yrOnsiteFull Time
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
3+ YOEBachelor's degree in engineering or related field, eligible for U.S. Top Secret clearance (U.S. person required), 3+ years network and software development experience, proficiency in C/C++, Python, C#/Java, and Linux kernel familiarity.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOETS/SCI clearance required, bachelor's degree (or equivalent experience), 5+ years cyber security experience, DoD 8570 IAT II, CSSP Infrastructure Support certification within 6 months, Carbon Black EDR, incident response, Linux administration, enterprise network experience.
Carbon Black Endpoint Detection and Response (EDR), Linux, AWS, VMWare virtualization, Windows Enterprise Active Directory (AD)
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOETS/SCI clearance required (must be able to obtain TS+polygraph), US citizenship, 10+ years related experience, IAM II (DOD 8570) required, knowledge of ICD 503, AWS/cloud, ACAS/HBSS/Carbon Black/Tanium/RedSeal/EMET, Unix/RHEL and PowerShell, and network/security architecture.
ICD 503, AWS, ACAS, HBSS, Carbon Black, Tanium, RedSeal, EMET, Unix, RHEL, Microsoft PowerShell, VMware, Microsoft Active Directory, RMF, IDS
Abile Group: Provides IT, cybersecurity, and program management services to government agencies.
10+ YOETS/SCI clearance required. Bachelor's in Computer Science or related field (or equivalent). 10+ years in data security administration. IAM II required; CISSP (or CAP, GSLC, CISM) desired. Experience with AWS, ACAS, HBSS, Carbon Black, Tanium, RedSeal, EMET, Unix/RHEL, PowerShell, VMware, Windows AD, and network routing/vlan.
ACAS, HBSS, Carbon Black, Tanium, RedSeal, EMET, AWS, Unix, RHEL, PowerShell, VMware, Windows Enterprise AD, Microsoft macros
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
4+ YOEBA/BS with 4+ years in network engineering; DoD Secret clearance with TS/SCI potential; IAT Level II certs; computing environment certs; DoD network security experience; routing protocols, IPv6, VPN, WAN; MS Office; documentation; strong communication.
Core & MainNYSE: CNM: Distributes products for water, wastewater, and fire protection infrastructure.
10+ YOELead security engineers; own engineering standards; drive improvements; 10+ years in information security; Bachelor's degree; CISSP/CISM/CISA a plus.
Network security, Endpoint protection, Identity and access security, Logging and monitoring platforms, Security automation