network security Jobs in washington, dc

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Network Architect

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Network Architect 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 innovative Network Architect to join our team and help design and implement scalable, secure, and high-performance network infrastructures. In this role, you will work closely with other technical teams to create robust network architectures that meet the growing needs of our organization and clients. You will be responsible

System Administrator

SAIC

Elkridge, Maryland, USA

Full-time

Job ID: 2505510-ELKRIDGE-MD Location: ELKRIDGE, 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) Director

SIEM Engineer

Cymertek Corporation

Reston, Virginia, USA

Full-time

SIEM Engineer LOCATION Reston, VA 20190 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

Enterprise Network Architect

Leidos

Lorton, Virginia, USA

Full-time

Description The Multi Domain Solutions Division at Leidos is looking for an experienced Enterprise Network Architect to support a fast-paced program with the Air Force Life Cycle Management Center. The ideal candidate will possess extensive experience in network engineering, a strong understanding of DoD IT requirements, and proven leadership skills. The Enterprise Network Architect will plan and execute the deployment of managed services. workstations, and networks, ensuring compliance with DoD

System Vulnerability Analyst

Cornerstone Defense

Columbia, Maryland, USA

Full-time

Location: Columbia, Maryland Type: Contract Job #3489 Title: System Vulnerability Analyst Location: Columbia, MD Compensation Range: $150,-$170K *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 th

Washington, DC - Senior Network Engineer

Unisys

Washington, District of Columbia, USA

Full-time, Contract

Hello,Senior Network Engineer Washington, DC 6 months, extensionThe Network Engineer will be responsible for the design, configuration, monitoring, and troubleshooting of our enterprise network infrastructure. This includes utilizing tools such as Nagios for network monitoring, Cisco Prime for network management, Cisco Identity Services Engine (Client) for access control, and Splunk for network logging and analysis. The ideal candidate will have a deep understanding of network technologies and s

Network Engineer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Network 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 Network Engineer to join our team and play a key role in designing, implementing, and maintaining our network infrastructure. In this role, you will ensure the reliability, security, and scalability of our network systems, troubleshoot issues, and optimize performance to meet the needs of a dynamic and growing organi

Network Engineer

LMI Government Consulting (Logistics Management In

Washington, District of Columbia, USA

Contract

Overview LMI is seeking a Network Engineer with Network Operations Center / Security Operations Center (NOC/SOC) skills and understanding to support a federal program management office (PMO) charged with planning, acquiring, and managing the deployment and operation of technology and capabilities to keep our borders safe. We are seeking energetic self-starters who are focused on practical and efficient solutions delivered by an interdisciplinary, collaborative team. These individuals will provi

Senior AWS Security Engineer- Remote

ICF

Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the continental US* ICF's Digital Modernization Division is a rapidly growing, entrepreneurial, technology department. Our team is a leading provider of Digital Transformation services for Federal agencies. Our services focus on enabling agency mission and business transformation using industry-leading low-code platforms, mobile applications, robotics process automation and data analytics platforms. We are partnered with some of the wo

Network Engineer

Cornerstone Defense

Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3597 Title: Data Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone's Intelligence Sector provides solutions to the United States Government for informatio

Senior Network Administrator

General Dynamics

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: Information Technology (IT), Network Infrastructures, Network Security, Troubleshooting, Virtual Routing Forwarding (VRF) Certifications: CCNA - Cisco, CCNP - Cisco, Security+ CE - CompTIA Experience: 10 + years of related experience ship Required: Yes Job Description: Se

Senior Systems Administrator

Leidos

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Senior Systems Administrator to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission success while adhering to DoD standards and regulations. The Senior Systems Administrator will ensure accounts for the enterprise solution are created and managed across multiple classification levels. Primary Responsibiliti

Enterprise Network Architect

Leidos

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for an experienced Enterprise Network Architect to support a fast-paced program with the Air Force Life Cycle Management Center. The ideal candidate will possess extensive experience in network engineering, a strong understanding of DoD IT requirements, and proven leadership skills. The Enterprise Network Architect will plan and execute the deployment of managed services. workstations, and networks, ensuring compliance with DoD policies an

Network System Administrator

Cymertek Corporation

Reston, Virginia, USA

Full-time

Network System Administrator LOCATION Reston, VA 20190 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 Administrator

Peraton

Linthicum Heights, Maryland, USA

Full-time

Responsibilities Design, implement, and maintain a robust and scalable network infrastructure encompassing LAN/WAN technologies, routing protocols, firewalls, load balancers, and network security tools.Proactively monitor network performance, uptime, and capacity, identifying and resolving performance bottlenecks and ensuring optimal network health.Lead troubleshooting efforts for complex network issues, conducting root cause analysis and implementing permanent solutions.Develop and maintain co

System Security Engineer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

System Security 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 highly motivated and detail-oriented System Security Engineer to design, implement, and maintain security measures that protect our critical systems and data. In this role, you will work closely with cross-functional teams to identify vulnerabilities, develop robust security solutions, and ensure compliance with industry standards

System Administrator

SAIC

Maryland, USA

Full-time

Job ID: 2505510-HANOVER-MD Location: HANOVER, 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) Directorat

IT Security Specialist

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

IT Security Specialist LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and dedicated IT Security Specialist to join our team and safeguard our organization's digital assets. In this role, you will be responsible for identifying and mitigating security risks, implementing best practices, and ensuring the integrity and confidentiality of sensitive information. The ideal candidate w

CNO Software Developer with C and Python

Cymertek Corporation

Reston, Virginia, USA

Full-time

CNO Software Developer with C and Python LOCATION Reston, VA 20190 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 Developer

Cymertek Corporation

Reston, Virginia, USA

Full-time

Cross-Domain Software Developer LOCATION Reston, VA 20190 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