Network security Jobs in District of Columbia

81 - 100 of 1,069 Jobs

Cybersecurity Sales Engineer / Solutions Consultant 2 ( DMV )Job Title - Cybersecurity Sales Engineer / Solutions Consultant 2 ( DMV )

PaloAlto NetworksCompany Name - PaloAlto Networks

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Arlington, Virginia, USA

Full-time

Company Description Our Mission At Palo Alto Networks , everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. We have the vision of a world where each day is safer and more secure than the one before. These aren't easy goals to accomplish - but we're not here for easy. We're here for better. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who

Principal Cyber Security EngineerJob Title - Principal Cyber Security Engineer

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

Mantech seeks a motivated and customer-focused Principal Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implement

Network Systems EngineerJob Title - Network Systems Engineer

QinetiQ USCompany Name - QinetiQ US

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McLean, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Network Engineer, SeniorJob Title - Network Engineer, Senior

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Reston, Virginia, USA

Full-time

Network Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in designing, developing, and implementing innovative network security solutions to support our country and protect our nation? As a systems security and network security engineer, you will be responsible for the enterprise deployment of the Gigamon Deep Observability Pipeline and GigaVUE Fabric Manager. We need your experience to oversee the development and implementation of Gigamon and network

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Senior Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center, deploying and managing a complex network spanning multiple customer sites and the cloud. We are seeking a skilled Senior Network Engineer to design, procure, and install network systems that meet Department of Defense (DoD) specifications. In this role, you will develop network architectures, collaborate with procurement teams to

Senior Network EngineerJob Title - Senior Network Engineer

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

We're searching for talented Sr. Network Administrators who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: The Senior Network Engineer will be responsible for: Managing computer systems and networks, including WAN

Cloud Infrastructure Engineer- 5 days onsite NoHo, NYJob Title - Cloud Infrastructure Engineer- 5 days onsite NoHo, NY

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

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Arlington, Virginia, USA

Full-time

Cloud Infrastructure Engineer As a Cloud Infrastructure Engineer, you will take ownership of managing and evolving their Google Cloud Platform infrastructure, continuously enhancing cloud architecture to align with the latest capabilities and industry's best practices. You'll play a key role in assessing the performance and reliability of production systems, assisting in vulnerability triage, and developing tools that simplify and automate the deployment and configuration of cloud services. The

Lead Network EngineerJob Title - Lead Network Engineer

Navigant ConsultingCompany Name - Navigant Consulting

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McLean, Virginia, USA

Full-time

Job Family: Systems Engineering Travel Required: Up to 25% Clearance Required: Ability to Obtain Public Trust What You Will Do: The Network Engineer is responsible for designing and implementing an organization's IT infrastructure to align with its business objectives. This role involves creating strategic IT roadmaps, ensuring system integration, and optimizing processes to enhance efficiency and scalability. The Network Engineer collaborates with stakeholders to ensure that IT solutions me

Systems EngineerJob Title - Systems Engineer

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Columbia, Maryland, USA

Full-time

Piper Enterprise Solutions is seeking a hybrid Systems Engineer to join an innovative and exciting healthcare company in Columbia, Maryland. Responsibilities of the Systems Engineer- Design, implement, and maintain hybrid IT infrastructure that integrates on-premises and cloud environments. Configure and manage DNS servers to ensure reliable domain name resolution. Implement and manage Group Policy Objects (GPOs) to enforce security settings and configurations across the network. Configure an

Cyber Security Engineer, Mid-Sr.Job Title - Cyber Security Engineer, Mid-Sr.

GovCIOCompany Name - GovCIO

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Fairfax, Virginia, USA

Full-time

Overview GovCIO is seeking an experienced Cyber Security Engineer to lead and enhance our organization's corporate cybersecurity program. This role is pivotal in safeguarding our digital assets, ensuring compliance with industry standards, driving the adoption of cutting-edge security practices and providing technical and process guidance to delivery organizations. This position will be located in Fairfax, VA and will be an onsite or fully remote position within the United States. Responsibili

IT CYBERSECURITY SPECIALIST (INFOSEC)Job Title - IT CYBERSECURITY SPECIALIST (INFOSEC)

Defense Information Systems AgencyCompany Name - Defense Information Systems Agency

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Arlington, Virginia, USA

Full-time

Summary This position is being recruited under 10 1599f into the Cyber Excepted Service and does NOT convey eligibility to be converted to the Competitive Service. It has been identified as a position necessary to carry out and support the mission of the US Cyber Command. It is in the Professional Work Category at the Senior Work Level within the CES Occupational Structure. It is located in the DISA J6(GSVC)/ENDPOINT & CUSTOMER SVC DIR - SPECIAL MISSION SRVCS OFC (ORG FE45). This job is open t

Network Systems EngineerJob Title - Network Systems Engineer

QinetiQCompany Name - QinetiQ

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McLean, Virginia, USA

Full-time

Secure Flight Lead - Secret Clearance RequiredJob Title - Secure Flight Lead - Secret Clearance Required

MaximusCompany Name - Maximus

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Maryland, USA

Full-time

General information Job Posting Title Secure Flight Lead - AJ Date Thursday, June 5, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking an experienced Secure Flight Lead to support a Homeland Security customer. This role requires an individual with extensive hands-on technical expertise and leadership capabilities to oversee a diverse team managing critical infrastructure and migration efforts. The Secure Flight Lead w

Sr. Azure Infrastructure EngineerJob Title - Sr. Azure Infrastructure Engineer

Accenture LLPCompany Name - Accenture LLP

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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

Security EngineerJob Title - Security Engineer

LeidosCompany Name - Leidos

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Camp Springs, Maryland, USA

Full-time

Leidos has a career opportunity for a Security Engineer to support the Air Force National Capital Region IT Services program. The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and othe

Principal Firewall EngineerJob Title - Principal Firewall Engineer

Navy Federal Credit UnionCompany Name - Navy Federal Credit Union

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Vienna, Virginia, USA

Full-time

Overview This position is for a Senior Network Security Engineer with a concentration on Cisco ISE. The right candidate will a self-starter who can serve in a technical lead role, provide technical project management/oversight, and provide hands-on support at an SME level within areas of focus. Responsibilities System baselining System requirements gathering Implementation of Cisco ISE solution for environment supporting over 20k endpoints Implementation of Cisco ISE policies and client provisi

Business Process Engineer - TS/SCI with PolyJob Title - Business Process Engineer - TS/SCI with Poly

JacobsCompany Name - Jacobs

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Columbia, Maryland, USA

Full-time

We are seeking a Business Process Engineer for a prime contract that is based out of our Columbia, MD office. Responsibilities: Assist in defining and documenting a capability delivery roadmap that defines the functionality details and sequence from the Initial Operating Capability (IOC) to Final Operating Capability (FOC) sequenceAssist in defining and documenting configuration requirements, business rules, functional and system requirementsLeverage industry best practices to plan, organize, a

Cyber Security Engineer - Hybrid Work OpportunityJob Title - Cyber Security Engineer - Hybrid Work Opportunity

General DynamicsCompany Name - General Dynamics

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Remote or Arlington, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Cyber Engineering Job Qualifications: Skills: Cyber Defense, Cybersecurity, Information Assurance, Information Technology Security, Network Security Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: We are GDIT. The people supporting some of the most complex go

Lead Security EngineerJob Title - Lead Security Engineer

Apex SystemsCompany Name - Apex Systems

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Washington, District of Columbia, USA

Full-time

Job#: 2077304 Job Description: Apex Systems is seeking a Lead Security Engineer to support the Department of Transportation in Washington DC. If interested, email your resume. Position: Lead Security Engineer Location: 1200 New Jersey Ave SE Washington DC USA 20590 3x onsite, 2x remote Hours: Regular business hours Compensation: $120k-$128k Job Type: Contract to hire Clearance: Must obtain DOT public trust clearance The Lead Security Engineer will assist the Department of Transportation's Cybers

System Vulnerability Analyst 4Job Title - System Vulnerability Analyst 4

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

Are you VIGILANT about your career? RealmOne definitely is! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this jou