CISSP Jobs in Washington, DC

Refine Results
161 - 180 of 465 Jobs

Senior Network Systems Engineer

Leidos

Fort Meade, Maryland, USA

Full-time

Leidos is seeking an experienced Senior Network Engineer to provide network operations and engineering sustainment support to a mission critical IP messaging and communications transport network. A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy customer requi

Senior Network Systems Engineer

Leidos

Fort Meade, Maryland, USA

Full-time

Description Leidos is seeking an experienced Senior Network Engineer to provide network operations and engineering sustainment support to a mission critical IP messaging and communications transport network. A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy cu

System Administrator Level IV

General Dynamics

Laurel, Maryland, USA

Part-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Active Directory (AD), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Description: Manag

Mid DevOps Engineer

Booz Allen Hamilton

Chantilly, Virginia, USA

Full-time

Job Number: R0222719 DevOps Engineer, Mid The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how. As a DevOps engineer, you're eager to develop, manage, and secure a container platform that meets your client's needs and takes advantage of cloud capabilities. We need you to develop container management sof tware to solve some of our clients' toughest challenges. As a senior platform DevOps engineer at Booz Allen, you can use your te chn ical skills to affect missi

Senior Principal Consultant - Security A&A Engineer (Clearance Required)

Oracle Corporation

Reston, Virginia, USA

Full-time

Job Description Must current hold and have the ability to maintain a TS/SCI with Poly. We are seeking a highly experienced and motivated Information Systems Security Analyst to join a new and exciting task order. The ideal candidate will play a critical role in assisting with driving all assessment & authorization (A&A) efforts for a new data platform. Working along side a team of technical engineers, this role requires both cybersecurity experience and technical saavy. In this role, you will

Sr. Systems Engineer - Top Secret Clearance Required

TEKsystems c/o Allegis Group

Fort Belvoir, Virginia, USA

Full-time

Description TEKsystems is seeking a Sr. Systems Engineer to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy

Information System Security Engineer

Navigant Consulting

Annapolis, Maryland, USA

Full-time

Job Family: Technology Consulting Travel Required: Up to 10% Clearance Required: Active Top Secret SCI with Polygraph What You Will Do: Design, implement, and maintain security solutions for classified and air-gapped environments.Conduct risk assessments and vulnerability analyses to ensure system integrity.Develop and enforce security policies, procedures, and standards.Collaborate with cross-functional teams to integrate security into infrastructure and application development.Support RMF (

Virtual Chief Information Security Officer Services- 20 hrs / Week

Winning Edge Solutions, LLC

Columbia, Maryland, USA

Contract, Third Party

Job Role: Virtual Chief Information Security Officer Services Duration: Long Term - Part-time (20hrs per week) Location: Columbia, MD Key Skills: Cybersecurity, CISSP/CISM/CISA, Vulnerability management, Data management, Incidence response, Software management, Hardware asset management About the Job: The Consultant shall provide expert virtual cyber security services. The client seeks a fresh perspective on its security measures and protocols to not only improve its posture, but also to ide

(placement) Cyber Fusion Analyst LCAT 1 Swing Shift (1PM-11PM)

Apex Systems

Fort Meade, Maryland, USA

Full-time

Job#: 2081791 Job Description: Position: Cyber Intelligence Analyst Shift: Monday-Thursday; 1pm-11pm Location: Onsite in Fort Meade, MD Certification Requirement: IAT level II or above *All interested and qualified candidates can please contact Schuyler Moose at Primary Responsibilities Maintain situational awareness of cyber activity by reviewing Intelligence Community and open-source reporting for new vulnerabilities, malware or other threats that have the potential to impact.Support missio

IT Systems Manager

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Information Systems Management Job Qualifications: Skills: Information Systems, Information Technology (IT) Systems, Information Technology Security, Leadership, People Management Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Job Description Transform techno

Security Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Description We are seeking a highly skilled Cyber Security Engineer supporting the NRO cyber operations group or Industrial Control Systems group at each site by working with the Information Security Offices to design, implement, and support defensive security solutions that safeguard mission-critical systems and data. The ideal candidate will have deep expertise in cyber threat research, vulnerability assessment, and secure software development practices. This role focuses on protecting network

IAM Solution Architect

Zenox Global, LLC

Remote

Full-time, Third Party

IAM Solutions Architect Full-Time Remote Job Responsibilities / Typical Day in the Role Act as a Cloud Security Subject Matter Expert (SME) for client's Infosec department. Identify opportunities to reduce cloud security risk for client, to solution, and to lead implementations. Create design artifacts to enable members of the Cloud Security team to implement solutions (built in-house or purchased from vendor). Partner with product teams to design secure network and serverless architectures. Pro

ISSE/ISSO

General Dynamics

Herndon, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber Security Job Qualifications: Skills: Cloud Security, Greenlight Oracle Access Violation Management, Mitigation, Xacta (Platform) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: A career as an ISSE at GDIT means owning every

Systems Administrator / Service Desk

Jacobs

Columbia, Maryland, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Systems Administrator / Service Desk to join our team of passionate individuals in Columbia, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Your Impact: Come be a part of an exciting and ever-changing program that provides a comprehensive range of state-of-the-

Systems Security Engineer

SAIC

Beltsville, Maryland, USA

Full-time

Job ID: 2508107 Location: BELTSVILLE, MD, US Date Posted: 2025-07-31 Category: Cyber Subcategory: Cybersecurity Ops Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a highly motivated Systems Security Engineer. The successful candidate will provide support to the Cybersecurity Integrity Center in the Department of State Bureau of Diplomatic Technol

Senior Information Systems Security Officer 15k Sign on Bonus

Leidos

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) 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 Leidos Pay and Benefits, including 4 or more weeks Paid Time Off,

Information Systems Security Officer - 15k Sign on Bonus!

Leidos

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) 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 Leidos Pay and Benefits, including 4 or more weeks Paid Time Off,

IT Systems Manager

General Dynamics

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Information Systems Management Job Qualifications: Skills: Information Systems, Information Technology (IT) Systems, Information Technology Security, Leadership, People Management Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Job Description Transform techno

Network Systems Engineer

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2508099 Location: CHANTILLY, VA, US Date Posted: 2025-07-31 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for an experienced Network Systems Engineer and administrator with background in configuring, maintaining, and troubleshooting cross-domain sys

Principal Information Systems Security Engineer (ISSE)

Leidos

Bethesda, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for Principal Information Systems Security Engineer (ISSE) 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% compa