network security administrator Jobs in district of columbia

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Information System Security Engineer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Information System Security Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Information System Security Engineer to join our cybersecurity team. In this role, you will design, implement, and maintain security solutions to protect critical information systems and ensure compliance with established security standards. You will collaborate with cross-functional teams to a

System Security Engineer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

System Security Engineer LOCATION Annapolis Junction, MD 20701 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 indust

Senior Cybersecurity Data Visualization Specialist (Security Clearance) - Remote Work - Local to DC Metro and FL

ICF

Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced Senior Cybersecurity Data Visualization Specialist to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. The successful cleared candidate will act as a Cybersecurity Data Visualization Specialist to support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are ex

Information Systems Security Manager (ISSM)

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Information Systems Security Manager (ISSM) LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and results-driven Information Systems Security Manager (ISSM) to lead and oversee the security management of our information systems. In this pivotal role, you will be responsible for ensuring the confidentiality, integrity, and availability of organizational systems while maintaining

Information System Security Officer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Information System Security Officer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Information System Security Officer (ISSO) to join our cybersecurity team. In this role, you will be responsible for maintaining the security posture of information systems, ensuring compliance with security policies, and managing risk through the implementation of robust security measur

Engineering Services - Electronic Hardware Specialist (Secret Security Clearance)

Harris Corporation

Ashburn, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Information Assurance System Security Engineer (ISSE) III

General Dynamics

Manassas, Virginia, 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: Information Security Job Qualifications: Skills: Information Assurance, Information Security, Information Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information Assurance System Securi

Security Engineer (Secret Clearance)

ShorePoint, Inc

Washington, District of Columbia, USA

Full-time

Who we are: ShorePoint is a fast-growing, industry recognized and award-winning cybersecurity services firm with a focus on high-profile, high-threat, private and public-sector customers who demand experience and proven security models to protect their data. ShorePoint subscribes to a work hard, play hard mentality and celebrates individual and company successes. We are passionate about our mission and going above and beyond to deliver for our customers. We are equally passionate about an enviro

System Administrator

Cymertek Corporation

Tysons, Virginia, USA

Full-time

System 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 proactive and detail-oriented System Administrator to join our team and help maintain the stability, security, and performance of our IT infrastructure. In this role, you will be responsible for managing servers, networks, and other critical systems, ensuring that they run efficiently and securely. You will also handle system updates,

Junior Cloud Engineer

Leidos

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Junior Cloud Engineer to support a fast-paced program with the Air Force Life Cycle Management Center. The Junior Cloud Engineer will deploy, maintain, and scale hybrid cloud digital infrastructure for an Air Force Lifecycle Management Command (AFLCMC) customer. This position requires a fast-learning, high-performing candidate with a proven history of delivering cloud solutions to customers. The ideal candidate will have experience i

Information Systems Security Engineer

Base-2 Solutions, LLC

Fort Meade, Maryland, USA

Full-time

Job Description: Base-2 Solutions is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team. Our ISSEs play a critical role in safeguarding cutting-edge systems that support national defense and mission-critical operations. We are looking for security professionals who bring expertise in system security design, risk management, and cybersecurity frameworks, as well as strong leadership qualities and an eagerness to tackle complex challenges. Our ide

Information Systems Security Engineer (ISSE)

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team and play a critical role in ensuring the security and resilience of our systems and infrastructure. In this role, you will be responsible for designing, implementing, and managing security measures to protect

System Administrator (SA1) (Government)

AT&T Inc.

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

Senior Information System Security Officer (ISSO)

Leidos

Annapolis, Maryland, USA

Full-time

Senior Information System Security Officer (ISSO) Leidos currently has an opening for a Senior Information System Security Officer (ISSO) to work at our Annapolis Junction, MD location. The selected candidate will act as an ISSO for a large software development program which includes software maintenance and development, IT support (Network/Workstation/Server), systems integration and life cycle support, enterprise application development, network engineering, and information systems security (

System Administrator

Jacobs

Severn, Maryland, USA

Full-time

Amentum is hiring a professional IT Systems Administrator that will successfully support and maintain a stable IT infrastructure for multiple SCIF and commercial environments. Providing support on telecommunications circuits, networking equipment, servers, AD enterprise, applications, and desktop support. Ensuring secure and stable operation of systems, seamless flow of information and proper functioning of endpoints throughout the organizations operations. Working as part of a team triaging of

Information Security Engineer

Zachary Piper Solutions, LLC

Columbia, Maryland, USA

Full-time

Piper Companies is seeking a dynamic Security Engineer for a hybrid (3 days onsite) to join a pioneering healthcare team located in Columbia, MD. Responsibilities of the Security Engineer: Perform security functions including IAM, vulnerability scanning, light pen testing, and daily review of security reports and systems. Generate internal threat intelligence and conduct threat hunting to enhance the security stack. Ensure adherence to information security policies and procedures and monit

VMware Systems Administrator

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2506948 Location: WASHINGTON, DC, US Date Posted: 2025-07-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description SAIC is hiring a VMware Systems Administrator to support HHS On-Site in Washington, DC. The VMware Systems Administrator will provide ongoing support to Executives

Information Security Risk Assessor

Cyquent, Inc.

Rockville, Maryland, USA

Full-time

Job Title: Location: Rockville MD Duration: Long-Term Onsite position and No remote work Job Description:- Scope of WorkThe Cyber Security Risk Analyst will support Governance, Risk, and Compliance (GRC) efforts by performing detailed risk evaluations and compliance assessments. The analyst will work primarily within the ServiceNow GRC platform to review IT security policy exception requests, assess vulnerabilities, and support broader risk governance activities. Responsibilities include, but ar

Information Security Engineer

Zachary Piper Solutions, LLC

Columbia, Maryland, USA

Full-time

Piper Companies is seeking a dynamic Security Engineer for a hybrid (3 days onsite) role located in Columbia, MD. You will be responsible for safeguarding the Software Development Life Cycle (SDLC), as well as implementing and maintaining information security controls and countermeasures to ensure robust protection for a pioneering healthcare team. Requirements of the Security Engineer: Perform security functions including IAM, vulnerability scanning, light pen testing, and daily review of sec

Information System Security Engineer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Information System Security Engineer LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Information System Security Engineer to join our cybersecurity team. In this role, you will design, implement, and maintain security solutions to protect critical information systems and ensure compliance with established security standards. You will collaborate with cross-functional t