16 firewall specialist jobs at 13 companies in Mitchellville, MD

3mo
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Cyber Security Engineering Specialist IV/ Firewall Engineer
Springfield, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
8+ YOE8+ years network security experience; TS/SCI with CI poly; DOD 8570 IAT II; CSSP Infrastructure; Bachelor’s in CS or related field; travel up to 15% (CONUS/OCONUS); MS Office proficiency.
Juniper SRX, Palo Alto Firewall, F5 Load Balancer, Cisco FTD/ASA, Unix, Windows Server, VMware, Active Directory
3mo
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Cyber Security Engineering Specialist IV/ Firewall Engineer
Springfield, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
8+ YOEActive TS/SCI and CI polygraph eligible; Bachelor’s in CS or equivalent experience; 8+ years network security experience; DoD 8570 IAT II and CSSP Infrastructure Support (within 6 months); experience with Juniper, Palo Alto, F5, Cisco, Unix/RHEL, Windows AD, VMware, and DoD architectures.
Juniper SRX, Palo Alto Firewall, F5 Load Balancer, Cisco FTD, Cisco ASA, Unix, RHELS OS, Windows Enterprise AD, VMware, DoD Architecture Framework, IDS, Microsoft Visio, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
1d
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Senior IT Specialist (Network Engineer)
Washington, District of Columbia, United States
$122k-$158k/yr HybridFull Time
United States Federal Government
United States Federal Government: The central administrative authority of the United States.
Five years of network infrastructure experience with wireless networks, routers, switches, load balancers, firewalls, VPNs, and security appliances; expertise in TCP/IP, Ethernet, VLANs, routing, and network security.
Wireless Networks, Routers, Switches, Hardware Load Balancers, Firewalls, VPN, Security Appliances, TCP/IP, Ethernet, VLANs, OSPF, BGP, IP Traffic Capturing Software, Content Delivery Network (CDN), Network Management Systems (NMS)
2w
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Intermediate Computer Security Systems Specialist
Fort Meade, Maryland, United States
$67k-$90k/yr OnsiteFull Time
Data Computer Corporation of America
Data Computer Corporation of America: Veteran-owned IT services delivering engineering, software, cybersecurity, and data solutions to U.S. federal agencies.
4+ YOERequires 4–7 years of information system security experience, active Secret clearance, IAT Level II qualification, RMF knowledge, and experience with STIGs, ACAS, ESS, PKI, VPNs, firewalls, and intrusion detection.
Risk Management Framework, STIGs, ACAS, Endpoint Security Solutions (ESS), PKI, VPN, firewalls, intrusion detection systems
1mo
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IT Cybersecurity Specialist - Remote
Baltimore, Maryland, United States
RemoteFull Time
OPSPro
OPSPro: Outsourced business solutions firm serving small and midsized businesses, nonprofits, and government-adjacent organizations with back-office operations support.
3+ YOE3+ years IT experience with network administration, cloud infrastructure, firewall/VPN configuration, Microsoft Azure/365 technologies; CompTIA Security+/Network+ preferred.
Microsoft Azure, Microsoft Intune, Microsoft EntraID, Microsoft Defender (ATP), Microsoft Purview, Microsoft Office 365, AWS, SIEM, Active Directory, Windows Server, Windows 10/11, Apple/Mac
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It Specialist (Network)
Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York City or Oklahoma City or Portland or Austin or Oakland or Hines or Eatontown or Albany or Philadelphia or Long Beach or Anaheim or Aurora or Orlando or St. Petersburg or Tampa or North Chicago or Bedford or Baltimore or Detroit or St. Louis or Cleveland or Pittsburgh or Nashville or Davidson or Murfreesboro or Arlington or Dallas or Houston or San Antonio or SeaTac or Long Beach or Washington or Los Angeles or San Francisco or Denver or Miami or Atlanta or Chicago or Seattle
$75k-$121k/yr OnsiteFull Time
Department of Veterans Affairs
Department of Veterans Affairs: U.S. federal executive department providing health care, benefits, burial services, and support to Veterans, families, and caregivers.
1+ YOERequires one year of specialized network experience equivalent to GS-9, including ACLs, firewall rules, network segmentation, change coordination, LAN/WAN devices, and configuration automation. U.S. citizenship required.
Access Control Lists (ACLs), Python, LAN/WAN
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Edge Connectivity Specialist 2
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or Saint Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
HDR
HDR: Global professional services firm specializing in architecture, engineering, and construction.
3+ YOEBachelor's degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and experience with LAN/WAN, wireless, routing, switching, VPNs, VLANs, and firewalls.
Azure, AWS, SD-WAN, VLANs, VPN, LAN/WAN, Fortinet, Palo Alto, Aruba
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Edge Connectivity Specialist 2
Omaha or Phoenix or Saint Paul or Austin or Kansas City or Columbia or Denver or Vienna or Saint Louis Park or Folsom or Portland or Pennington or Woodcliff Lake or Orlando or Harrisburg or Salem or Fort Worth or Pittsburgh or San Antonio or Dallas or Albuquerque or Olympia or Englewood
OnsiteFull Time
HDR
HDR: Global professional services firm specializing in architecture, engineering, and construction.
3+ YOEBachelor’s degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and expertise in LAN/WAN, routing, switching, VLANs, VPNs, wireless, firewalls, and network troubleshooting.
LAN/WAN, VPN, SD-WAN, VLAN, Microsoft Azure, AWS, Fortinet, Palo Alto, Aruba, CCNA, CCNP
2mo
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Network Specialist
Arlington, Virginia, United States
$102k-$178k/yr OnsiteFull Time
Kuiper Systems
Kuiper SystemsNasdaq Global Select Market: AMZN: Developing a low Earth orbit satellite network to deliver high-speed, low-latency broadband internet connectivity.
US citizen with active TS/SCI clearance. Experience in systems administration or networking, COMSEC training/experience, knowledge of network fundamentals and secure system administration, and relevant certifications (Security+, Network+).
COMSEC, PKI, DNS, DHCP, TCP/IP, HTTP, routers, switches, firewalls, servers, virtualized environments
1w
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Information Technology Specialist
Washington, District of Columbia, United States
$152k-$224k/yr OnsiteFull Time
Office of Personnel Management
Office of Personnel Management: U.S. government human-resources agency managing civil-service policy, recruitment, and benefits for federal agencies and employees.
1+ YOEOne year of specialized IT experience equivalent to CT-12, including secure hybrid network design, cloud networking, PKI, Zero Trust Architecture, monitoring, project management, technical expertise, incident response, and critical thinking.
LAN, WAN, SDWAN, VLANs, IPv4/IPv6, MPLS, routers, switches, firewalls, VPNs, Microsoft 365, Entra ID, Microsoft Exchange, Microsoft Purview, Microsoft Teams, Microsoft OneDrive, Windows, Linux, AWS, Azure Government Commercial Cloud (GCC), Azure VNETs, network security groups, route tables, virtual firewalls, virtual WANs, ExpressRoute, Direct Connect, Hardware Security Module (HSM), Azure Key Vault, Public Key Infrastructure (PKI), Zero Trust Architecture (ZTA), NIST SP 800-207
1d
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IT Specialist (Policy and Planning)
Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York City or Oklahoma City or Portland or Austin or Oakland or Hines or Eatontown or Albany or Philadelphia or Martinsburg or Shepherdstown or Little Rock or North Little Rock or Long Beach or Anaheim or Aurora or Orlando or St. Petersburg or Tampa or North Chicago or Bedford or Baltimore or Detroit or St. Louis or Cleveland or Pittsburgh or Nashville or Davidson or Murfreesboro or Arlington or Dallas or Houston or San Antonio or SeaTac
$107k-$140k/yr OnsiteFull Time
Department of Veterans Affairs
Department of Veterans Affairs: U.S. federal executive department providing health care, benefits, burial services, and support to Veterans, families, and caregivers.
1+ YOEOne year of specialized experience equivalent to GS-13 in network engineering, infrastructure architecture, security, zero trust technologies, risk assessments, and IT policy and planning.
hardware, software, operating systems, firewalls, routing, switching, wireless, VXLAN, IPv6, IPv4, cloud-based environments
3w
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25B Information Technology Specialist
Washington, District of Columbia, United States
$200-$250/day OnsiteFull Time
Army National Guard
Army National Guard: U.S. government military reserve component providing trained Army Soldiers for domestic emergencies and national defense.
Requires Army National Guard enlistment, high school junior status or diploma/GED, age 17–35, physical and legal eligibility, citizenship requirements, and ability to complete military training.
computer consoles, computer systems, computer programs, networks, hardware, software, firewalls
4w
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Senior Specialist, Network Plan Engineer (41730)
Palm Bay or Herndon
$102k-$189k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Global aerospace and defense technology innovator and manufacturer.
6+ YOE6+ years network engineering experience (or 4+ with graduate degree or 12+ without degree), TS/SCI clearance, IAT Level II or equivalent, hands-on experience with firewalls, routers, switches, VLANs, NAT/PAT, VPN, and TCP/IP.
Firewalls, Routers, Switches, VLANs, NAT/PAT, VPN technologies, TCP/IP, SDN, Linux, Windows
1w
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Systems Specialist - Active TS/SCI w/Poly
Annapolis Junction, Maryland, United States
$47-$64/hr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
8+ YOEAA/AS and 8+ years of related experience required. Requires Windows or Linux administration, troubleshooting, security clearance, CompTIA Security+, and U.S. citizenship.
Windows, Linux, Active Directory, VMware, Hyper-V, Azure, AWS, Microsoft 365, PowerShell, Bash, Python, SolarWinds, Nagios, PRTG, Splunk, DNS, DHCP, ServiceNow, Remedy, Jira, Zendesk, antivirus, endpoint protection, firewalls
3d
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Computer Security Systems Specialist
Alexandria, Virginia, United States
$170k-$190k/yr OnsiteFull Time
Akima Data Management
Akima Data Management: Federal government services and mission support contractor.
10+ YOERequires Top Secret clearance with SCI eligibility, advanced Splunk experience, firewall and endpoint monitoring expertise, cloud-security experience, analytical writing skills, and a bachelor's degree or 10+ years of relevant experience.
Splunk, Microsoft Defender, CrowdStrike, Azure, IDS/IPS, CI/CD
1mo
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Army Research Laboratory (ARL) Information Technology (IT) Modernization Opportunities
Adelphi or Aberdeen Proving Ground
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Premier technology integrator for defense, space, and civilian markets.
Experience with Cisco network administration, Security+ required (CCNA preferred), Secret/Top Secret clearance required or obtainable, education and years of experience vary by position.
Cisco routers, Cisco switches, Cisco firewalls, Windows, Linux, Mac OS