Network Security Jobs in District of Columbia

121 - 140 of 1,127 Jobs

Senior Network Administrator / Engineer - TS/SCI with PolygraphJob Title - Senior Network Administrator / Engineer - TS/SCI with Polygraph

General DynamicsCompany Name - 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

Systems Engineer-Expert / Senior ISSEJob Title - Systems Engineer-Expert / Senior ISSE

SilverEdgeCompany Name - 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

Azure Cloud ArchitectJob Title - Azure Cloud Architect

SAICCompany Name - 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

SIEM EngineerJob Title - SIEM Engineer

Cymertek CorporationCompany Name - 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

Network System AdministratorJob Title - Network System Administrator

Cymertek CorporationCompany Name - 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

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

Stone SearchCompany Name - 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

CNO Software Developer with C and PythonJob Title - CNO Software Developer with C and Python

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

CNO Software Developer with C and Python 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 talented CNO (Computer Network Operations) Software Developer with expertise in C and Python to join our team. In this role, you will develop and maintain software solutions that support critical network operations, ensuring the performance, security, and efficiency of our systems. The ideal candidate will have

Cross-Domain Software DeveloperJob Title - Cross-Domain Software Developer

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Cross-Domain Software Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and innovative Cross-Domain Software Developer to design, implement, and maintain secure solutions for transferring data across varied security domains. In this role, you will work on cutting-edge technologies to develop software that ensures seamless and secure communication between systems with differing classifi

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Network 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

Systems Administrator IIIJob Title - Systems Administrator III

Robert HalfCompany Name - Robert Half

•

Remote or Gaithersburg, Maryland, USA

Contract

Description Job Title: Sr. Multi-Cloud Systems Administrator Location: Gaithersburg, MD (Hybrid, 90% Remote) Clearance Required: Ability to obtain Public Trust Duration: 6-month, with possibility of extension Job Description: A dynamic and growing team is seeking an experienced Cloud Engineer to fulfill the role of Sr. Multi-Cloud Systems Administrator. The ideal candidate is a seasoned professional proficient in managing multi-cloud environments and architectures. You will contribute to en

Senior Network EngineerJob Title - Senior Network Engineer

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

•

Fort Meade, Maryland, USA

Full-time

This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) Because an active or interim DoD clearance is required, U.S. Citizenship is required **We cannot do C2C or sub-vendor partnership for this opportunity** Description TEKsystems Customer is seeking a Staff Network Engineer to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to Defen

Cybersecurity AnalystJob Title - Cybersecurity Analyst

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Cybersecurity Analyst LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Cybersecurity Analyst to join our team and help safeguard our systems and data from potential threats. In this role, you will monitor and analyze security events, identify vulnerabilities, and implement measures to protect against cyberattacks. You will work closely with teams across the organization to

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

•

Odenton, Maryland, USA

Full-time

Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to Defense Information Systems Agency (DISA) and Department of Defense (DoD) Fourth Estate Agencies. The Senior Network Engineer will develop, configure, and deploy network services within the Azure Cloud and data centers to fulfill end user requirements. This position is location in Fort Meade, MD working in the DISA location with the

Network Administrator, JuniorJob Title - Network Administrator, Junior

LeidosCompany Name - Leidos

•

Chantilly, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th

AWS DevOps EngineerJob Title - AWS DevOps Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Springfield, Virginia, USA

Full-time

Job Number: R0219578 AWS DevOps Engineer The Opportunity: As a DevOps engineer, you know how to set up cloud environments and provision computer networking, storage, and virtual networks-ultimately, how to "harness the cloud." We're looking for an experienced DevOps infrastructure engineer like you to support our clients as they modernize their IT infrastructures and meet their most challenging missions. As a DevOps infrastructure engineer at Booz Allen, you'll work closely with cloud architects

Senior Network EngineerJob Title - Senior Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Reston, Virginia, USA

Full-time

Job Number: R0219594 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 VMWare servers and configuration and management of Windows, UNIX, and Linux systems, including installing, loading and patching operating s

Information Systems Security Manager (ISSM)Job Title - Information Systems Security Manager (ISSM)

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Information Systems Security Manager (ISSM) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an experienced and dedicated **Information Systems Security Manager (ISSM)** to join our team and lead efforts to secure and protect our information systems. In this role, you will be responsible for overseeing the security posture of our organization's systems, ensuring compliance with relevant standards, and

Cybersecurity ArchitectJob Title - Cybersecurity Architect

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Cybersecurity Architect LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an innovative and strategic Cybersecurity Architect to lead the design and implementation of our organization's security infrastructure. In this role, you will develop comprehensive security architectures, guide technical teams, and ensure our systems are resilient against evolving cyber threats. The ideal candidate is a forward-

Senior Software EngineerJob Title - Senior Software Engineer

LeidosCompany Name - Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior 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 vesti

Digital Network Exploitation AnalystJob Title - Digital Network Exploitation Analyst

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0217608 Digital Network Exploitation Analyst The Opportunity: Do you have strong analytic skills and a problem-solving mindset? Are you looking for an opportunity to use those skills to support our warfighters, protect our national security, and inform our nation's leaders? As a network and access discovery analyst, you will use your spe cia lized technical experience to support cyberspace operations and intelligence collection to enable the success of mission owners. As a Digital