network security Jobs in district of columbia

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Network Administrator

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Network Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Administrator to join our team and ensure the reliability, security, and efficiency of our organization's network infrastructure. In this role, you will be responsible for maintaining and optimizing network performance, troubleshooting connectivity issues, and implementing solutions to enhance system ope

Senior Quality Assurance Security Test Engineer

Motion Recruitment Partners, LLC

Arlington, Virginia, USA

Full-time

Senior Quality Assurance Security Test Engineer This company is looking for a Senior Quality Assurance Security Test Engineer to join their team in Herndon, VA. In this role, you will be responsible for ensuring the quality and security of software applications, primarily within a cloud-based environment. Your duties will include designing, executing, and automating security tests, identifying vulnerabilities, and working closely with development teams to verify, document, and resolve security i

Network Engineer

Leidos

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center, managing multiple workstations and network hardware across multiple customer sites and the cloud. We are seeking a skilled Network Engineer to deploy, monitor, and maintain network systems that meet Department of Defense (DoD) specifications. In this role, you will implement secure network architectures, monitor and operate customer netw

System Administrator

SAIC

Laurel, Maryland, USA

Full-time

Job ID: 2505510-LAUREL-MD Location: LAUREL, MD, US Date Posted: 2025-05-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC is seeking a System Administrator to support the U.S. Army Combat Capabilities Development Command (CCDEVCOM), Engineering and Systems Integration (ESI) Directorate,

Network Operations Center Analyst - 1st Shift

Leidos

Arlington, Virginia, USA

Full-time

Description The Digital Modernization sector within Leidos is seeking a Network Operations Center (NOC) Analyst to support the operational environment for the Compartmented Enterprise Services Office (CESO) NOC. With the CESO program, the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment, which provides secure information sharing to the community, into a more mature service offering to meet the DoD and intelligence communities.

Senior Application Security Engineer

Software Guidance & Assistance

Rockville, Maryland, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Application Security Engineer for a Contract assignment with one of our premier Regulatory clients in Rockville, MD. This role is hybrid (2 days/week Oniste). The main function of senior application security engineer is to plan, coordinate and implement application security practices in each phase of software development life cycle though testing, remediation support, tool evaluation, etc. This role involves in evaluatin

Senior Network Administrator / Engineer - TS/SCI with Polygraph

General Dynamics

Elkridge, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Firewall Administration, Local Area Network (LAN), Network Administration, Network Engineering Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Position is currently located in Elkridge, MD an

Network Engineer/Architect, Senior Advisor

Peraton

Laurel, Maryland, USA

Full-time

Responsibilities Peraton is seeking a Network Engineer/Architect to perform as a consultant for leading edge information technologies and methodologies to join our team in the Annapolis Junction, MD area. Our dynamic team provides full spectrum network connectivity including architecture, engineering, development, integration, deployment, configuration management, project management and network security services to the global enterprise, as well as systems and cloud engineering services for app

Systems Engineer-Expert / Senior ISSE

SilverEdge

Chantilly, Virginia, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Systems Engineer-Expert / Senior ISSE to join our dynamic team. This individual will play a pivotal role in developing innovative and effective so

Data Center Engineer (TS/SCI w/ Poly Required) - Washin

Deloitte

Arlington, Virginia, USA

Full-time

Are you looking to make an immediate impact where you can help our clients solve their business challenges? Deloitte's Core Business Operations (CBO) portfolio operates at the center of our client's business. By joining our team, you could help C-suite and program leaders transform their organization and accelerate mission execution through emerging and disruptive technologies, innovative business models, retooled program operations and industry-driven solutions. Recruiting for this role ends o

Data Center Engineer (TS/SCI w/ Poly Required) - Washin

Deloitte

McLean, Virginia, USA

Full-time

Are you looking to make an immediate impact where you can help our clients solve their business challenges? Deloitte's Core Business Operations (CBO) portfolio operates at the center of our client's business. By joining our team, you could help C-suite and program leaders transform their organization and accelerate mission execution through emerging and disruptive technologies, innovative business models, retooled program operations and industry-driven solutions. Recruiting for this role ends o

Cyber Software Engineer

Leidos

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Cyber Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vestin

SIEM Engineer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

SIEM Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive SIEM Engineer to join our cybersecurity team and play a critical role in safeguarding our systems and data. In this role, you will design, implement, and manage Security Information and Event Management (SIEM) solutions, ensuring real-time monitoring, threat detection, and effective incident response. Collaborating with

Splunk Engineer

SilverEdge

College Park, Maryland, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Splunk Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for our DoD cu

Azure Cloud Architect

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2502534 Location: WASHINGTON, DC, US Date Posted: 2025-02-25 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is seeking an Azure Cloud Architect to support a federal agency in Washington, DC. The Azure Cloud Architect will be responsible for the architecture design, planning, management

Computer Network Defense Analyst (CNDA), Lead Associate

Peraton

Fort Meade, Maryland, USA

Full-time

Responsibilities Peraton's Cyber Mission in Annapolis Junction, MD supplies the Intel community with mission essential Next Generation SIGINT Analysts and Cyber professionals that support and defend our nation's security. Be a part of a team of SIGINT, Intelligence and Cyber professionals that are supplying our nation with leading Next Generation cybersecurity solutions. Peraton delivers unique intelligence, analytics, and data management solutions to address the world's most difficult challeng

Network System Administrator

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Network System Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and detail-oriented Network Systems Administrator to join our team and oversee the design, implementation, and maintenance of our network and system infrastructure. In this role, you will ensure the reliability, security, and efficiency of both network operations and system performance. Collaborating with a team

Infrastructure Engineer

CACI International, Inc.

Laurel, Maryland, USA

Full-time

Infrastructure Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI is seeking an Infrastructure Engineer to join our team. Job Description: Responsible for resolving IT hardware and software infrastructure (Linux servers, network, security, etc.) issues using systems analysis techniques and procedures

Application Engineer

CACI International, Inc.

Laurel, Maryland, USA

Full-time

Application Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: Join our dynamic team as an Applications Engineer and play a crucial role in maintaining and enhancing critical network monitoring and security applications. Your expertise will contribute to safeguarding our agency's network infrastructure while wor

Network Security Engineer / Fortinet Contractor - US Permanent Residents Only - Direct Only

Stone Search

McLean, Virginia, USA

Contract

100% on-site for US Permanent Residents only - No exceptions. Local only please. Onsite interviews required - No exceptions. No agencies please The primary purpose of this role is to lead and implement security engineering specific activities on enterprise infrastructure security systems, services and applications. This role will be responsible for system design; standards based implementation, capacity planning, systems integration, process / procedure development, refinement, and hands ontech