81 firewall engineer jobs at 52 companies in Fallston, 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
$120k-$160k/yr HybridFull Time
3+ YOEExperience configuring and monitoring Palo Alto/FortiGate firewalls, proxy and email security appliances, Tier 2 IT customer support, networking and packet filtering knowledge, US citizenship and active interim secret clearance or higher.
Palo Alto, Cloud Palo Alto, FortiGate, CISCO Email Security Appliance (ESA), A10, Service Now, Panorama, Cloudflare, Azure Firewall, NeuralStar, Microsoft Visio
4d
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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
6d
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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
2mo
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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
6d
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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
2mo
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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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Jr. Network Engineer (Onsite- Aberdeen, Maryland)
Aberdeen Proving Ground or Middletown
$90k-$105k/yr HybridFull Time
2+ YOEBachelor's degree in relevant engineering or computer science,2+ years network design/maintenance experience,CCNA/CompTIA Security+/Network+/VCP,experience with switches, firewalls, IDS,cybersecurity awareness,US citizen,Secret clearance eligible.
Cisco, IDS, SATCOM, SD-WAN, VMware, DHCP, DNS
3mo
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Network Engineer- Security Services
Jessup, Maryland, United States
$75k-$129k/yr OnsiteFull Time
5+ YOE5–7 years Network Engineer/Architect role; Cisco routing/switching; SD-WAN; firewall; IT/OT network segmentation; Bachelor's degree or equivalent.
Cisco routing, Cisco switching, Wireless (Cisco Catalyst, Meraki, Aironet), SD-WAN/Cato, Firewalls, VPN, SolarWinds, PRTG, Cisco DNA Center, Cato Management Application
1w
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Senior Network Engineer
Rockville, Maryland, United States
OnsiteFull Time
7+ YOE7+ years enterprise network design/operations experience with Cisco devices, F5 load balancers, firewalls; CCNP/CCIE required; hands-on in routing protocols, VPNs, and scripting with Python/Ansible.
F5, Palo Alto, Cisco IOS, Cisco NX-OS, Python, Ansible, Unix, Linux, SYSLOG, TACACS+
1w
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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
1mo
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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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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
2mo
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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
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
6d
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Systems Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Requires Top Secret/SCI with Full Scope Polygraph and expertise in systems design, integration, networking, cloud, security frameworks, virtualization, automation scripting, monitoring, and DevOps practices.
Linux, RHEL, CentOS, Ubuntu, Windows Server, Unix, macOS, VMware, Hyper-V, KVM, AWS, Azure, Google Cloud Platform (GCP), TCP/IP, DNS, VPN, VLANs, firewalls, routers, switches, Splunk, SolarWinds, Nagios, Zabbix, Ansible, Puppet, Chef, SaltStack, Python, Bash, PowerShell, 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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Senior Network Engineer
York, Pennsylvania, United States
OnsiteFull Time
6+ YOEBachelor's in related field or equivalent, 6+ years supporting wired/wireless networks and telecommunications, experience with Unix/Linux/Windows/macOS, NAC, firewalls and VPNs, strong troubleshooting and security skills.
Unix, Linux, Windows, macOS, firewall, VPN, network access control system, routing protocols, core switches, Internet routers
3mo
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Network Engineer TS/SCI w/Poly
Laurel, Maryland, United States
$146k-$234k/yr OnsiteFull Time
12+ YOE12+ years IT experience with a bachelor’s in CS/IS/Engineering; DOD 8570 IAT Level II; two of: network troubleshooting, routers/switches, Cisco IOS/Junos, firewalls, hubs/bridges/gateways, network analysis, database tools; TS/SCI with poly.
Network troubleshooting tools, Routers, Switches, Cisco IOS/Junos, Firewalls, Hubs/Bridges/Gateways, Network packet investigation/analysis tools, Database tools
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