Senior Network Security Engineer Jobs in District of Columbia

1 - 20 of 720 Jobs

Senior Network Security EngineerJob Title - Senior Network Security Engineer

Tandym TechCompany Name - Tandym Tech

•

Vienna, Virginia, USA

Contract, Third Party

Tandym is seeking a highly motivated Senior Network Security Engineer to provide support remotely for a top Financial Services client. This is a long-term contract, 100% REMOTE. Responsibilities: Manage and maintain Palo Alto firewall infrastructure, including patching, upgrades, and configuration. Convert traditional Layer 4 firewall rules to Layer 7 using App-ID and User-ID. Create and manage custom App-ID definitions as needed for unique applications. Ensure performance, availability, and c

Senior Network Security EngineerJob Title - Senior Network Security Engineer

Costar GroupCompany Name - Costar Group

•

Arlington, Virginia, USA

Full-time

Senior Network Security Engineer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate info

Senior Network Security EngineerJob Title - Senior Network Security Engineer

Costar GroupCompany Name - Costar Group

•

Arlington, Virginia, USA

Full-time

Network Security EngineerJob Title - Network Security Engineer

DMV IT ConsultingCompany Name - DMV IT Consulting

•

Washington, District of Columbia, USA

Full-time

Hi All Please find the JD of Network Security Engineer If you have any experience please connect with me Role: Network Security Engineer Experience: 10 Years Location: DMV region of DC. Duties & Responsibilities:a. Ability to monitor and analyze data traffic patterns within the OCFO network infrastructure;b. Identify network problems and recommend improvements to ensure optimal performance;c. Ability to improve network quality regarding any degradation;d. Ability to enhance security and knowle

Senior Network Security Engineer (Hybrid)Job Title - Senior Network Security Engineer (Hybrid)

SYSCOM, Inc.Company Name - SYSCOM, Inc.

•

Annapolis, Maryland, USA

Full-time

SYSCOM, Inc. provides specialized information technology resources that possess the requisite skills and capabilities to deliver enterprise level solutions that help our client s achieve their objectives. At SYSCOM, we have a proven process that brings the best and brightest resources into our organization. Our teammates have excellent verbal and written communication skills as well as coordination and organization skills. The objective of our approach is to ensure a high level of customer satis

Senior Network Security EngineerJob Title - Senior Network Security Engineer

GreyMatter SolutionsCompany Name - GreyMatter Solutions

•

Annapolis, Maryland, USA

Contract, Third Party

Position: Network Security Engineer Location: Maryland (Hybrid) Duration: 12+ Months contract Note: Need only local s to Maryland Flexibility allowed after satisfactory performance, with potential for expanded remote work. May require extended hours for project deadlines or on-call support. Two-to-four week training provided. Minimum Requirements: Associate degree in an IT-related field. Active certifications: Palo Alto Networks Certified Network Security Engineer (PCNSE) and Cisco Certified N

Sr. Network Security Engineer - PCNSE / CCNP (HYBRID)Job Title - Sr. Network Security Engineer - PCNSE / CCNP (HYBRID)

Trigyn Technologies, Inc.Company Name - Trigyn Technologies, Inc.

•

Annapolis, Maryland, USA

Contract, Third Party

Trigyn's direct client has a very long-term need (5-year contract) for a Senior Network Security Engineer (MUST be PCNSE and CCNP CERTIFIED) in Annapolis, MD (HYBRID). MANDATORY REQUIREMENT (Must have): ? Palo Alto Networks Certified Network Security Engineer (PCNSE) Certification ? Cisco Certified Network Professional (CCNP) ENTERPRISE or (CCNP) SECURITY Certification. Description: The Network Security Engineer will actively participate in planning and coordinating the design, installation,

Network Security EngineerJob Title - Network Security Engineer

DMICompany Name - DMI

•

Arlington, Virginia, USA

Full-time

About DMI DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, ef?cient, and cost-effective solutions that drive measurable results. Learn more at

Network Security EngineerJob Title - Network Security Engineer

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

A growing cyber security consulting firm is seeking a Network Security Engineer to join a highly collaborative cybersecurity team supporting enterprise-level infrastructure. This role is ideal for a seasoned network engineer with deep expertise in network security, threat mitigation, and incident response. You'll design and maintain secure network architectures, monitor for anomalies, and play a key role in strengthening the organization's overall security posture. This is a 6-month Contract-to-

Network Security EngineerJob Title - Network Security Engineer

Accenture LLPCompany Name - Accenture LLP

•

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, NV, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, CO, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, IL, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, CT, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, IN, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, DC, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, AK, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, CA, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Senior Network Security EngineerJob Title - Senior Network Security Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, NM, US Date Posted: 2025-07-11 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job Description