Firewall jobs in Centreville, VA

Springfield, Virginia

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Today

Job ID: 2511401 Location: SPRINGFIELD, VA, US Date Posted: 2025-11-10 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description This is a senior firewall position within the Vanguard 2025 Contract, providing general engineering support to multiple firewall and perimeter security systems and devices. The well qualified candidat

Full-time

Remote Opportunity || Sr Security Engineer with Firewall, EDR , SIEM, Email Security || Contract

Remote or Arkansas

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Today

Job Title: Security Engineer with Firewall, EDR , SIEM, Email Security Location: Remote- USA Mode of Hire: Contract Job Description: Adding the specific tools to look for , Firewalls: Sonic Wall, Cisco Meraki EDR: Microsoft Defender & XDR SIEM: Azure Sentinel Email Security: Proofpoint / M365 Security VAPT - Tenable Io, Nessus and Rapid 7 Experience: 7 10+ years Reports To: Security Architecture Lead Role Summary We are seeking a highly skilled Senior Security Engineer (Level 3) to d

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Third Party, Contract

Firewall Administrator

Arlington, Virginia

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Today

Req ID: 37933 Summary Firewall Administrator Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to

Full-time

Firewall Administrator (Required Active Secret Clearance)

Remote

•

Yesterday

Position: Firewall Administrator Location: Remote Duration: Full-time with benefits Client: Federal/DOD Clearance: Active Secret Clearance Certification: IAT Level II AND Computing Environment (CCSA OR CCSE OR CCSM) Job Description Demonstrates knowledge and accomplishment in monitoring and analyzing Firewall system logs. Works under general supervision, developing the requirements of a product from inception to conclusion. Develops required specifications for simple to moderately complex proble

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Full-time

Depends on Experience

Next Generation Firewall Engineer

Remote

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Today

Leidos is seeking a Next Generation Firewall Engineer to join our AGUN Migration team. This position will be 100% remote with some associated travel. PROGRAM SUMMARY: The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. This role is remote and will be supporting a large and complex network migration and operations for the US Army. CLEARANCE REQUIREMENT: Must currently

Full-time

USD 116,350.00 - 210,325.00 per year

Firewall Administrator – Team Lead

Remote

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9d ago

Firewall Administrator Team Lead Location: Contractor Site / Remote Clearance Required: Secret (IT-I Critical Sensitive) IA Level: IAT-II (i.e. Security + CE) Required Certification: Check Point CCSA, CCSE, or CCSM Overview: Nationwide IT Services (NIS) is seeking an experienced Firewall Administrator Team Lead for a potential opportunity to oversee and guide a technical team in supporting firewall and network security operations. This role includes managing resources, coordinating project act

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Full-time

140,000 - 150,000

Senior Cybersecurity Engineer - Firewall

Remote or Buffalo, New York

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Today

This role offers a hybrid work schedule providing the opportunity for in-person collaboration at our Buffalo, NY Tech Hub. Overview: Responsible for designing and implementing medium-scale security systems and solutions to develop or enhance new or existing security solutions, solving moderate to complex problems or enhancements. Completes day-to-day support activities and special projects. Primary Responsibilities: Design components of security solutions with significant complexity and moderat

Full-time

USD 97,100.00 - 161,800.00 per year

Network Administrator(oil and Gas Domain Experience)

Arlington, Virginia

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9d ago

Job Title: Network Administrator(oil and Gas Domain Experience) Location: Arlington, VA(onsite) Duration :: Fulltime If you find this opportunity suitable, kindly share your updated resume. Also, please let me know a good time to connect with you for a quick discussion. Looking forward to hearing from you! Role: Design and deploy & maintain high-availability (LAN, WLAN, WAN environments. Candidate should possess expertise in enterprise networking, cloud connectivity, and security, and will ment

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Full-time

$120,000 - $140,000

Senior Cisco Network Engineer

Washington, District of Columbia

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Today

Position Title & Code: Senior Cisco Network Engineer Location: 2235 Shannon Place SE, Washington DC, 20020 Project End Date: 09/30/2026 (With Possible extension to next fiscal year) Responsibilities, Duties and Competencies Perform daily operations, maintenance, configuration, optimization, and upgrades of agency network infrastructure including Windows servers, Cisco ISE, Cisco ASA firewalls, routers, and switches. Monitor performance, capacity, and availability of LAN, WAN, telephony, and v

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Full-time, Part-time, Third Party, Contract

Senior Cisco Network Engineer - Only Locals to DMV Area & Active CCNP MUST

Washington, District of Columbia

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8d ago

Must be locals to DMV Area Candidate Must have Active CCNP. Senior Cisco Network Engineer Washington, DC (Hybrid/Onsite) Description: *only submit candidates local to the DMV area* **read position notes at the top of the job description** **ALL INTERVIEWS WILL BE HELD IN-PERSON FOR THIS REQ** Mandatory 4-week probationary period: Candidate must be on site every day for the first 4 weeksStarting in week 5, 6 or even 8: Transition to hybrid schedule (3 days on site per week), based on performance

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Contract

$50 - $60

SIEM Subject Matter Expert

Tysons, Virginia

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a SIEM Subject Matter Expert in San Antonio, TX, Tysons Corner, VA, Dallas, TX, or Omaha, NE. This is a hybrid position (2 days in office and 3 days remote). Overview: We are seeking an experienced professional to design, implement, and optimize Security Information and Event Management (SIEM) solutions. This role involves working closely with security operations teams to enhance detection capabilities, streamline workflows, and strengthen o

Contract

$60 - $90 hourly

IT Engineer (Antivirus)

Vienna, Virginia

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Today

IT Engineer (Antivirus) Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Skills Required: Defender Performance Troubleshooting o Diagnose and resolve performance issues related to Microsoft Defender. o Review and interpret Client Analyzer logs. o Utilize tools such as ProcMon, MpPerformanceRecording, and similar for root cause analysis. o Recommend tuning strategies for Defender configurations to minimize resource impact. Policy Configuration & Deployment

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Contract

IT Engineer (Antivirus)

Vienna, Virginia

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Today

Easy Apply

Full-time

Network Security Engineer

Arlington, Virginia

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Today

Job Title: Network Security Engineer Location: Hybrid - Arlington, Virginia End Client: FDIC Type: Contract To Hire Compensation: $70/HR - only W-2 Contractor Work Model: Hybrid Public Trust Responsibilities: The Network Security Engineer role requires extensive Palo Alto Panorama, Firewalls, and Global Protect experience, along with extensive networking experience. Palo Alto Prisma Access and Zero Trust Network Access knowledge and experience are highly desired. A Network Security Engine

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Full-time

USD 70.00 per hour

Network Security Engineer

Washington, District of Columbia

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9d ago

Required Skills & Experience:7+ years of experience in network security engineering or similar role. Strong hands-on experience with Palo Alto firewalls and enterprise security stack. Expert-level experience with Cisco ISE (NAC, TACACS+, RADIUS, profiling, posture assessment). Solid understanding of AWS and/or Azure networking and security controls. Deep knowledge of network protocols (TCP/IP, BGP, OSPF, DNS, DHCP, VPNs, SSL/TLS). Experience with Zero Trust network architecture. Strong backgroun

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Contract

Network Administrator

Springfield, Virginia

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Today

IDR is seeking a Network Administrator to join one of our top clients in the Mid-Atlantic region. This travel-based role is pivotal for ensuring seamless network operations across multiple sites in the Mid-Atlantic region, providing hands-on support and maintenance of network infrastructure. If you are looking for an opportunity to join a growing organization and work within an ever-growing team-oriented culture, please apply today! Position Overview/Responsibilities for the Network Administrat

Full-time

Sr Network Engineer

Washington, District of Columbia

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Yesterday

Network Engineer IV (Senior Network Engineer)Location: Washington, DC (Onsite 5 days/week) Worksite: U.S. Department of Justice Antitrust Division Employment Type: Contingent (6-month assignment with extension potential; possible Leidos FTE) Security Clearance: Public Trust (DOJ preferred) Role SummaryLeidos is seeking a Senior Network Engineer (Network Engineer IV) to provide advanced network engineering support for a large U.S. Department of Justice (DOJ) Antitrust Division program. This role

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Contract

$55 - $60

Network Engineer

Remote or Hybrid in Merrifield, Virginia

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Today

Title: Network Engineer Location: Hybrid is preferred but remote can be optional for 8+ years of experience VA or Pensacola, FL. Duration: Initial 6 months (extendable) Work Requirements: , Holders or Authorized to work in USJob Description: * Defender Performance Troubleshooting o Diagnose and resolve performance issues related to Microsoft Defender. o Review and interpret Client Analyzer logs. o Utilize tools such as ProcMon, MpPerformanceRecording, and similar for root cause analysis. o Recom

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Contract

BASED ON EXPERIENCE

Azure Cloud Engineer

Reston, Virginia

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Today

Job Number: R0229827 Azure Cloud Engineer The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how. As an Azure DevOps Engineer, you're eager to develop, manage, and secure a container platform that meets your client's needs and takes advantage of cloud capabilities. We need you to develop container management sof tware to solve some of our clients' toughest challenges. As an Azure DevOps Engineer at Booz Allen, you can use your technical skills to affect mission-fo

Full-time

USD 62,000.00 - 141,000.00 per year

OT Cyber Security Engineer

Chantilly, Virginia

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23d ago

About the RoleWe are seeking experienced OT Cyber Security Engineers to support mission-critical industrial and operational technology environments across multiple project sites. This role focuses on securing industrial control systems (ICS), deploying advanced cybersecurity practices, and supporting national-level infrastructure programs. Candidates should be comfortable with heavy travel and onsite system support. Key ResponsibilitiesSupport the design and architecture of secure OT networks in

Easy Apply

Full-time

Depends on Experience

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Firewall jobs in Centreville, VA, USA