network security Jobs in district of columbia

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141 - 160 of 1,002 Jobs

Network Administrator

SAIC

•

Adelphi, Maryland, USA

Full-time

Job ID: 2507144 Location: ADELPHI, MD, US Date Posted: 2025-06-30 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Network Administrator to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of
Posted 21 days ago | Updated 4 hours ago

iOS Vulnerability Engineer (Software)

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

iOS Vulnerability Engineer (Software) 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 highly skilled and innovative iOS Vulnerability Engineer (Software) to join our team and help identify, analyze, and mitigate security vulnerabilities in iOS systems and applications. In this role, you will focus on uncovering potential threats, developing secure solutions, and ensuring the integrity of iOS platfo
Posted 60+ days ago | Updated 6 hours ago

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
Posted 60+ days ago | Updated 6 hours ago

SD-WAN Network Engineer

SAIC

•

Beltsville, Maryland, USA

Full-time

Job ID: Location: BELTSVILLE, MD, US Date Posted: 2025-07-07 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description This is an opening for an SD-WAN Senior Network Engineer to support the Department of State's (DoS) Diplomatic Technology Operations Division. This program provides transparent, interconnected
Posted 24 days ago | Updated 4 hours ago

SD-WAN Network Engineer

SAIC

•

Springfield, Virginia, USA

Full-time

Job ID: 2507077 Location: SPRINGFIELD, VA, US Date Posted: 2025-07-07 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description This is an opening for an SD-WAN Senior Network Engineer to support the Department of State's (DoS) Diplomatic Technology Operations Division. This program provides transparent, inter
Posted 24 days ago | Updated 4 hours ago

Senior Network Administrator

General Dynamics Information Technology

•

Falls Church, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Border Gateway Protocol (BGP), Cisco Routers and Switches, MPLS Networking, Network Security, Network Services Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Network Administrator position supporting the Army National
Posted 39 days ago | Updated moments ago

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
Posted 60+ days ago | Updated 5 hours ago

Cybersecurity Program Manager (Federal Healthcare Sector)

ICF

•

Bethesda, Maryland, USA

Full-time

ICF is actively recruiting for a skilled Cybersecurity Program Manager with a background in federal healthcare environments to oversee and lead complex cybersecurity programs. The ideal candidate will bring a strong technical foundation in IT systems, network security, and hands-on cybersecurity practices, along with leadership skills to manage a team of IT consultants. In this role, you will guide a team responsible for safeguarding critical infrastructure and healthcare data, ensuring robust s
Posted 60+ days ago | Updated 6 hours ago

Network Engineer

Leidos

•

Ashburn, Virginia, USA

Full-time

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, various cloud environments, security
Posted 30 days ago | Updated 6 hours ago

Senior Systems Engineer

Jacobs

•

Washington, District of Columbia, USA

Full-time

JOB DESCRIPTION Your Impact: . We are looking to hire a Senior System 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 position is available immediately upon finding a qualified candidate with the appropriate background clearance. This position supports a government client and is fully a remote position Responsibilities: Serving as a technical advisor a
Posted 46 days ago | Updated 6 hours ago

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
Posted 60+ days ago | Updated 6 hours ago

Senior System Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0219964 System Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big-picture thi nk ing to make an impact on national security? As a systems engineer on our team, you'll provide networking, fabrication, security, lab, and deployment support by delivering engineering solutions for network configurations, deployment loading of sof tware, and patching and troubleshooting deployed sof tware and hardware on a variety of servers
Posted 60+ days ago | Updated 7 hours ago

CNO Software Developer with C and Python

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
Posted 60+ days ago | Updated 6 hours ago

Information Systems Security Engineer

Booz Allen Hamilton

•

Fort Belvoir, Virginia, USA

Full-time

Job Number: R0221437 Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementat
Posted 27 days ago | Updated 7 hours ago

Mid-Level Azure Developer

General Dynamics

•

Rockville, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: MBI (T2) Job Family: Cloud Job Qualifications: Skills: CI/CD, Cloud Computing, Microsoft Azure, Microsoft Azure Load Balancer, Terraform on Microsoft Azure Certifications: None Experience: 5 + years of related experience ship Required: No Job Description: Seize your opportunity to make a personal impact as a Mid-Level Azure Developer supporti
Posted 9 days ago | Updated 6 hours ago

Cross-Domain Software Developer

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
Posted 60+ days ago | Updated 6 hours ago

Cybersecurity Analyst

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
Posted 60+ days ago | Updated 6 hours ago

Information Systems Security Officer (ISSO)

Modern Technology Solutions

•

Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a ISSO to join our team in Chantilly, VA. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 100% Employee Owners
Posted 60+ days ago | Updated 19 days ago

Migration Security Engineer

Apex Systems

•

Herndon, Virginia, USA

Full-time

Job#: 2079158 Job Description: Title: Migration Security Engineer Location: 100% Remote (Travel 10% of the time) Long Term Contract: 12+ Months with possible extensions or perm conversion Pay on Contract: $75.00 - $95.00 / hourly (Based on experience) APPLY HERE: Please send a resume to Skylar at Required: MUST HAVE ACTIVE DOD SECRET CLEARANCE IAT Level 2 Certification Bachelors degree with 12+ years of experience or Masters degree with 10+ years of experience. Expert understanding of networki
Easy Apply
Posted 26 days ago | Updated 6 hours ago

Telephony Analyst - Security Clearance Required

Maximus

•

Maryland, USA

Full-time

General information Job Posting Title Telephony Analyst Date Wednesday, July 16, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking a Telephony Analyst to manage and support internal-use telephony systems for our Homeland Security customer. This role will provide technical leadership for the design, configuration, maintenance, and troubleshooting of enterprise VoIP and telephony infrastructure, with responsibilities th
Posted 14 hours ago