Network Security Administrator Jobs in District of Columbia

61 - 80 of 658 Jobs

Senior Cyber Security Engineer - Network SecurityJob Title - Senior Cyber Security Engineer - Network Security

Sanford HealthCompany Name - Sanford Health

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Remote or Sioux Falls, South Dakota, USA

Full-time

Sanford Health is one of the largest and fastest-growing not-for-profit health systems in the United States. We're proud to offer many development and advancement opportunities to our nearly 50,000 members of the Sanford Family who are dedicated to the work of health and healing across our broad footprint. Work Shift: 8 Hours - Day Shifts (United States of America) Scheduled Weekly Hours: 40 Salary Range: $37.50 - $62.00Pay starts at $37.50 and increases according to years of applicable exper

Information System Security Officer (ISSO)Job Title - Information System Security Officer (ISSO)

Accenture LLPCompany Name - Accenture LLP

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Fort Meade, Maryland, 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

Information Security LeadJob Title - Information Security Lead

AAJ Interactive TechnologiesCompany Name - AAJ Interactive Technologies

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Reston, Virginia, USA

Full-time

Information Security Lead (Senior Manager, Information Security) Overview Our client has a global footprint delivering increasingly digital services to graduate program candidates and schools/universities around the world. They are a mission-driven organization, with a vision to be the global leader in ensuring every talented person can benefit from the best education for them. The organization s priority is to heighten its impact in promoting graduate education and attracting a qualified and di

Senior Security OfficerJob Title - Senior Security Officer

ManTechCompany Name - ManTech

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Washington, District of Columbia, USA

Full-time

MANTECH seeks a motivated, career and customer-oriented Senior Security Officer (SSO), to join our team based in Washington, DC. As a Senior Security Officer (SSO), this position plays a critical role in supporting the SCIF facilities and industrial security (FSO) and personnel security (PERSEC) program for our customer. Responsibilities include but are not limited to: Serve as the primary SCIF access approver during normal operations (5 days/week) to include providing INDOC and special sec

Senior Security OfficerJob Title - Senior Security Officer

ManTechCompany Name - ManTech

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Washington, District of Columbia, USA

Full-time

Security EngineerJob Title - Security Engineer

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Leidos is seeking a Security Engineer to support the execution of strategic, operational, and organizational PPSM objectives. This position can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. The position is primarily on-site, but partial telework may be available at the discretion of our customer and program management. Responsibilities: Ensure compliance with DoD-approved standards, architectures, and guidelines (e.g., DISN) and conduct qualit

Security Engineer - SeniorJob Title - Security Engineer - Senior

Electronic Consulting Services, Inc (ECS Federal)Company Name - Electronic Consulting Services, Inc (ECS Federal)

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Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Security Engineer - Senior to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. ECS Federal is a leading information security and information technology company in Washington, DC. We are looking to hire a Senior Security Engineer to support a full range of cyber security services on a long-term contract in Washington DC. The position is full time/permanent and will support a US Government civilian agency. The

Security EngineerJob Title - Security Engineer

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Description Leidos is seeking a Security Engineer to support the execution of strategic, operational, and organizational PPSM objectives. This position can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. The position is primarily on-site, but partial telework may be available at the discretion of our customer and program management. Responsibilities: Ensure compliance with DoD-approved standards, architectures, and guidelines (e.g., DISN) and c

Lead Security EngineerJob Title - Lead Security Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506810 Location: WASHINGTON, DC, US Date Posted: 2025-06-25 Category: Cyber Subcategory: Cyber Engineer 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: No Description SAIC seeks a Lead Security Engineer to assist the Department of Transportation's Cybersecurity mission by supporting the implementation of IPv6 networking capabilities by joining a dedicated team of cyb

Sr. Security EngineerJob Title - Sr. Security Engineer

Navigant ConsultingCompany Name - Navigant Consulting

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Washington, District of Columbia, USA

Full-time

Job Family: Systems Engineering Travel Required: None Clearance Required: Active Top Secret (TS) What You Will Do: Provides the expertise to conduct systems analysis, certification and accreditation, integration of secure products, security test and evaluation, and development of complex information systems to meet information system security requirements. A broad knowledge of the technical information systems security discipline is required. The candidate will be responsible for updating sy

Security Analyst -SOC or NOC- Herndon VAJob Title - Security Analyst -SOC or NOC- Herndon VA

Connexions Data IncCompany Name - Connexions Data Inc

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Herndon, Virginia, USA

Contract

Security Analyst Onsite in Herndon, VA Duration - 1 year + Clearance Requirement: Minimum Secret PCL. Facility Clearance Requirement: Minimum Secret FCL. Project Description: Security Operations Center (SOC) Services, Incident Response, Infrastructure/Architecture/Engineering Required Skills: 1-3 years of experience working in a Security Operations Center (SOC) or Network Operations Center (NOC) environment performing security event monitoring and analysis. Experience using SIEM and EDR tech

Lead Security EngineerJob Title - Lead Security Engineer

Eliassen GroupCompany Name - Eliassen Group

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Washington, District of Columbia, USA

Contract

Description: We are looking for a Lead Security Engineer to support a F500 client in the Washington, DC metro area. Location: Washington, DC Pay Rate: $55-$65/hr. W2 This is a contract-to-hire opportunity. Applicants must be willing and able to work on a W2 basis and convert to FTE following contract duration. For our W2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Responsibilities: Key Techni

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

Information Security Systems EngineerJob Title - Information Security Systems Engineer

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Sr. Information Systems Security 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% comp

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

Trellix Endpoint Security EngineerJob Title - Trellix Endpoint Security Engineer

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Leidos has a current job opportunity for an Endpoint Security Solutions (ESS) Engineer on the DISA GSM-O program in Alexandria, VA. An active Secret security clearance and solid experience in Trellix are required. This position provides support to the ESS Lead in operating and maintaining Trellix software and clients for organizations supported by the J6. Activities that this position performs include performing systems analysis, modifying / updating systems based on results of analysis, deploy

Enterprise Security Operations Center (ESOC) at the National (NNSA) Pending OpportunitiesJob Title - Enterprise Security Operations Center (ESOC) at the National (NNSA) Pending Opportunities

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506240 Location: WASHINGTON, DC, US Date Posted: 2025-05-30 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: DOE Q Potential for Remote Work: No Description SAIC is seeking incumbent and external talent to support the Enterprise Security Operations Center (ESOC) at the National Nuclear Security Administration (NNSA). These positions will provide services to

Security AnalystJob Title - Security Analyst

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

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Washington, District of Columbia, USA

Full-time

A growing cybersecurity consulting firm is seeking a Security Analyst to join their expanding team. This is a 6-month contract-to-hire opportunity requiring 3 days onsite in Washington, D.C. Candidates must be able to successfully obtain Public Trust Clearance. You will lead threat detection, incident response, and hunt operations for a high-visibility environment. This role offers the opportunity to drive advanced detection engineering efforts and work directly with executive leadership on ente

Cloud Security EngineerJob Title - Cloud Security Engineer

Cornerstone DefenseCompany Name - Cornerstone Defense

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Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3713 Title: Cloud Security Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team i

Cloud Security EngineerJob Title - Cloud Security Engineer

Innova Solutions, IncCompany Name - Innova Solutions, Inc

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Manassas, Virginia, USA

Contract, Third Party

A client of Innova Solutions is immediately hiring for a Cloud Security Engineer. Position type: Full time Contract Duration: 6 months Location: Manassas, VA (Hybrid) As a Cloud Security Engineer, you will: Undertake moderately complex projects ensuring the security and compliance of Client s cloud infrastructure, compute, and network resources. You will also contribute to the definition of cloud security controls and policies, within established guidelines; ensuring they are effective and appro