76 firewall engineer jobs at 49 companies in Centreville, MD
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Firewall Operations Engineer
Beltsville, Maryland, United States
HybridFull Time
7+ YOEBachelor or equivalent experience; 2-4 years Palo Alto/Panorama firewall experience; 3-5 years IT customer support; experience with FortiGate, Azure Firewall, Cloudflare, Cisco ESA, A10; NeuralStar and TCP/IP troubleshooting; US citizenship and interim secret clearance required.
Palo Alto, Panorama, FortiGate, Azure Firewall, Cloudflare, Cisco Email Security Appliance (ESA), A10, NeuralStar, Visio, ServiceNow
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Firewall Operations Engineer
Beltsville, Maryland, United States
$90k-$110k/yr OnsiteFull Time
2+ YOEBachelor's degree, 2–4 years of relevant experience, 3–5 years of IT customer support, Secret clearance, Palo Alto and Panorama expertise, networking and firewall troubleshooting experience.
ServiceNow, Palo Alto, Panorama, FortiGate, Cisco Email Security Appliance (ESA), A10, Cloudflare, Azure Firewall, NeuralStar, TCP/IP, CLI, Microsoft Visio
2w
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Firewall Operations Engineer
Beltsville or Laurel or Virginia
$75k-$95k/yr HybridFull Time
2+ YOEBachelor's degree and 2–4 years' experience or equivalent; 3–5 years' Tier I/II IT support; firewall, networking, proxy, packet filtering, TCP/IP, and Palo Alto experience; U.S. citizenship and interim Secret clearance required.
ServiceNow, Palo Alto, Panorama, FortiGate, Cisco Email Security Appliance (ESA), A10, Cloudflare, Azure Firewall, NeuralStar, TCP/IP, Microsoft Visio, CLI, CMMI
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Firewall Operations Engineer | Secret Clearance
Beltsville, Maryland, United States
HybridFull Time
3+ YOEUS citizen with Interim Secret clearance eligibility; 3+ years IT support experience; experience with Palo Alto, Panorama, FortiGate, Azure Firewall, Cloudflare, Cisco ESA, A10, Service Now, NeuralStar, TCP/IP, and Visio; BA preferred.
Service Now, Palo Alto, Panorama, Cloud Palo Alto, FortiGate, Azure Firewall, Cloudflare, Cisco Email Security Appliance (ESA), A10, NeuralStar, TCP/IP, Visio
3mo
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System Engineer Level 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
6+ YOETS/SCI clearance with polygraph required; Linux, containers/cloud, IP networking, firewall, automation, PKI/TLS, SSP/STE/STN experience; strong systems engineering and ISO/IEC 15288 knowledge.
Linux, Containers, Cloud, Storage, Virtualization, IP Networking, Firewall, Automation, PKI, TLS
2w
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Network Engineer 3 (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$169k-$266k/yr OnsiteFull Time
10+ YOEActive TS/SCI with Polygraph required; 10+ years relevant experience (varies by degree); expertise in LAN/WAN design, VPN/IPSec, VoIP, GRE, firewalls, load‑balancing, network analyzers, and troubleshooting.
LAN, CAN, WAN, VPN, VoIP, GRE Tunneling, IPSec, NAT, Media over IP (MoIP), Traffic Shaping, load‑balancing, firewall, network analyzer, WAN test equipment, network simulator, ISO 9000
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Senior Network Engineer
Fort Meade, Maryland, United States
$180k-$240k/yr OnsiteFull Time
10+ YOEActive Top Secret clearance with SCI, CCNP, 10+ years network engineering (3+ years design), DoD 8570 IAT-II, experience with IS-IS/OSPF/BGP/MPLS, firewalls, ISE, and network automation.
IS-IS, OSPF, MP-BGP, MPLS, RSVP-TE, LDP, SR-MPLS, DMVPN, SD-WAN, Cisco Firepower, Palo Alto, Firepower Management Console, Panorama, Cisco Identity Services Engine (ISE), SSH, WAN MACsec, IPSec, RADIUS, TACACS+, Cisco NSO, Catalyst Center, Splunk, StealthWatch, Python, TCL, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft SharePoint, KG175X, KG142
3mo
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Network Engineer
Annapolis Junction, Maryland, United States
$130k-$250k/yr OnsiteFull Time
5+ YOE5+ years in network engineering; design, configure, deploy, and optimize enterprise networks; experience with switches, routers, firewalls; monitoring with WhatsUpGold/NetFlow; TS/SCI with Polygraph required.
WhatsUpGold, NetFlow, Network Monitoring Tools, Switches, Routers, Firewalls
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Systems Engineer 2
Fort Meade, Maryland, United States
OnsiteFull Time
10+ YOERequires a bachelor's degree in a related engineering or computing field, 10+ years of systems engineering experience, TS/SCI with polygraph clearance, and systems, network, security, documentation, and communication expertise.
Zero Trust Architecture, Attribution Based Access Control (ABAC), System/Network Architecture, Cross Domain Solutions, forward proxies, reverse proxies, Firewall
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Network Engineer 2
Columbia, Maryland, United States
$156k-$205k/yr OnsiteFull Time
6+ YOEActive experience with Cisco and Arista, network design/configuration, firewall/crypto support, DoD/IC compliance, IAT I certification and active security clearance with polygraph; 6+ years experience typical.
Cisco, Arista, Call Manager, Cisco ASA
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Network Engineer, Senior
Belcamp, Maryland, United States
$78k-$176k/yr OnsiteFull Time
5+ YOE5+ years in IT/cyber/enterprise networking; experience with HPE Aruba, Cisco, SonicWALL, Juniper; Windows and RHEL administration; PowerShell or bash scripting; firewall, VPN, routing, and network design expertise; Secret clearance required.
HPE Aruba, Cisco, SonicWALL, Juniper, Microsoft Windows, RHEL, PowerShell, bash
2mo
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Cybersecurity Engineer
Columbia, Maryland, United States
$76k-$104k/yr OnsiteFull Time
2+ YOEBachelor's degree in Cybersecurity/Computer Science/Engineering, 2+ years combined IT and security experience, strong knowledge of Microsoft Windows, Linux, networking (TCP/IP, firewalls, VPNs), EDR, SIEM, Microsoft Azure, and cybersecurity frameworks; CISSP/CISM/CISA/CRISC preferred.
EDR, SIEM, Microsoft Azure, Microsoft Windows, Linux, TCP/IP, firewalls, VPN, NIST, CISA, CIS, CSA, ISO, MITRE ATT&CK
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Network Engineer (Clearance Required)
Washington or Fort Meade
$100k-$150k/yr OnsiteFull Time
10+ YOEActive TS/SCI with Full Scope Polygraph; CI investigation closed within 5 years; IAT Level III baseline; 10+ years network engineering in DoD/IC classified environments; on-site Fort Meade/DC.
Network analyzers, WAN test equipment, Network simulators, Load balancing, VPN, Firewall, IPSec, GRE tunneling, NAT
3mo
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System Engineer – Identity & Access Management
Annapolis Junction, Maryland, United States
OnsiteFull Time
5+ YOEBachelor's degree in computer engineering or related field; 5 years SE experience (9 total with degree substitution); TS/SCI with Poly clearance; strong IdAM system skills.
Active Directory, LDAP, DNS, Firewalls, PKI, Perl, Windows, Linux, Red Hat Directory Server
5d
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Project Engineer, Renewable Electrical Engineering (SCADA)
Illinois or Washington or Oregon or South Dakota or Montana or Kansas or Nebraska or Idaho or Kentucky or Baltimore or Delaware or Indiana or Des Moines or Maine or Florida or Wyoming or Massachusetts or Utah or Missouri or Nevada or Texas or New Hampshire or Washington or Birmingham or Connecticut or Arizona or Minnesota or Ohio or South Carolina or Mississippi or West Virginia or Virginia or Arkansas or New York City or New Mexico or Vermont or Michigan or Oklahoma or Georgia or Wisconsin or Louisiana or California or Tennessee or New Jersey or Pennsylvania or New York or North Carolina
$105k-$130k/yr RemoteFull Time
4+ YOEBachelor's degree in electrical or computer engineering, 4+ years of SCADA experience, networking and industrial protocols knowledge, project management skills, U.S. work authorization, driver's license, and up to 25% travel.
SCADA, RTUs, controllers, energy management systems, network switches, firewalls, annunciators, HMIs, IP, OPC, DNP3, Modbus, EGD, GE WindSCADA, GE WindCONTROL, Vestas Online Business, SEL RTAC, Ignition, PLC
5d
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Project Engineer, Renewable Electrical Engineering (SCADA)
Illinois or Washington or Oregon or South Dakota or Montana or Kansas or Nebraska or Idaho or Kentucky or Baltimore or Delaware or Indiana or Des Moines or Maine or Florida or Wyoming or Massachusetts or Utah or Missouri or Nevada or Texas or New Hampshire or Washington or Birmingham or Connecticut or Arizona or Minnesota or Ohio or South Carolina or Mississippi or West Virginia or Virginia or Arkansas or New York City or New Mexico or Vermont or Michigan or Oklahoma or Georgia or Wisconsin or Louisiana or California or Tennessee or New Jersey or Pennsylvania or Alabama or New York or North Carolina
$105k-$130k/yr RemoteFull Time
4+ YOEBachelor's degree in electrical or computer engineering, 4+ years of generation, transmission, or distribution SCADA experience, networking and industrial protocols expertise, project management skills, driver's license, and US work authorization.
SCADA, RTUs, controllers, energy management systems, network switches, firewalls, HMIs, IP, OPC, DNP3, Modbus, EGD, GE WindSCADA, GE WindCONTROL, Vestas Online Business, SEL RTAC, Ignition, PLC, Microsoft Excel
2mo
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Senior Network Engineer - EW&C
Aberdeen Proving Ground, Maryland, United States
$185k/yr OnsiteFull Time
10+ YOE10+ years networking experience including TCP/IP, Cisco routers/switches, Linux, VMware ESXi, Palo Alto firewalls; CCNA and Sec+ required; bachelor\u0002s in IT field; active Secret clearance and ability to obtain TS/SCI.
TCP/IP, Cisco Routers, Cat8K, Linux, VMware ESXi, Palo Alto Firewall, Ansible, YAML, Cisco UCS, Cisco ASA, BGP, OSPF, RIP, EIGRP, MULTICAST, VOIP, Cisco Call Manager, Redcom Sigma Core, Sniffer, Wireshark, TACLANE, NGC2, Nett Warrior, JBC-P, BFT, AFATDS
2mo
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Field Network Engineer - Maryland
Easton, Maryland, United States
FieldFull Time
1+ YOE1–4 years network engineer/administrator experience; Windows Server, Exchange, Windows, TCP/IP, DHCP, LDAP, DNS, VOIP, VPN knowledge; desktop support and network troubleshooting; firewall configuration; valid driver’s license; excellent communication skills.
Windows Server, Exchange, Windows, ConnectWise, Firewalls, TCP/IP, DHCP, LDAP, DNS, VOIP, VPN
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Systems Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Requires active Top Secret/SCI clearance with full-scope polygraph and U.S. citizenship. Experience with operating systems, virtualization, cloud, networking, monitoring, configuration management, scripting, cybersecurity, and DevOps.
Linux, RHEL, CentOS, Ubuntu, Windows Server, Unix, macOS, VMware, Hyper-V, KVM, AWS, Azure, Google Cloud Platform (GCP), TCP/IP, DNS, VPN, VLAN, firewalls, routers, switches, Splunk, SolarWinds, Nagios, Zabbix, Ansible, Puppet, Chef, SaltStack, Python, Bash, PowerShell, NIST SP 800-53, RMF, DoD STIGs, FedRAMP, JIRA, Confluence, ServiceNow, CI/CD
2mo
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Cybersecurity Engineer
Catonsville or Baltimore
$71k-$117k/yr OnsiteFull Time
1+ YOEAssociate (plus 1 year experience) or Bachelor’s in cybersecurity; experience securing OS, networks, and applications at enterprise level; vulnerability scanning, risk assessment, incident response, firewall/ACL configuration; cybersecurity certs preferred.
Access Control Lists (ACLs), firewalls, SharePoint
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