ISSO Jobs in Baltimore, MD

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CyberSecurity Engineering (Junior - Principal)

Clarity Innovations

Fort Meade, Maryland, USA

Full-time

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI/CD, and secure DevSecOps practices. We focus on challenges in Inf

Information System Security Officer, Journeyman

SilverEdge

Maryland, USA

Full-time

Overview SilverEdge Government Solutions is seeking an Information System Security Officer to assist the ISSMs in meeting their duties and responsibilities. Implement and enforce all DoD Information Systems and Platform IT system cybersecurity policies and procedures, as defined by cybersecurity-related documentation. Ensure that all users have the requisite security clearances and access authorization and are aware of their cybersecurity responsibilities for DoD IS and PIT systems under their

Information System Security Officer, Senior

SilverEdge

Maryland, USA

Full-time

Overview SilverEdge Government Solutions is seeking a Senior Information System Security Officer to assist the ISSMs in meeting their duties and responsibilities. Implement and enforce all DoD Information Systems and Platform IT system cybersecurity policies and procedures, as defined by cybersecurity-related documentation. Ensure that all users have the requisite security clearances and access authorization and are aware of their cybersecurity responsibilities for DoD IS and PIT systems under

System Administrator

SAIC

Fort Meade, Maryland, USA

Full-time

Job ID: 2506155 Location: FORT MEADE, MD, US Date Posted: 2025-06-18 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence

Information System Security Manager (ISSM)

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Do you love solving problems while enabling impactful research to operate securely? Are you passionate about making meaningful contributions to national security cyber missions? Do you like collaborating with a team with varied strengths to tackle complex problems which enable research across space exploration, cybersecurity, national defense, and cutting edge technologies? If so, we're looking for someone like you to join our team at APL. We are ranked as one of Computerworld '

Cyber Security Manager SCI & Special Programs/ISSM

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Do you love solving problems while enabling impactful research to operate securely? Are you passionate about making meaningful contributions to national security cyber missions? Do you like collaborating with a team with varied strengths to tackle complex problems which enable research across space exploration, cybersecurity, national defense, and cutting edge technologies? If so, we're looking for someone like you to join our team at APL. We are seeking motivated cybersecurity

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,

Information Systems Security Officer (ISSO3) (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

System Administrator 2 (SA2)

Realm One

Annapolis, Maryland, USA

Full-time

We're searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: This position is for System Administration support for development and production environments for a mission-critical Ide

Senior Information Systems Security Officer

Realm One

Annapolis, Maryland, USA

Full-time

We're searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government.This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, thencome join us! Job Description: The Information System Security Officer will provide vital support for the implementation and maintenance of our information

System Administrator Level 3

General Dynamics

Annapolis, Maryland, 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: Systems Administration Job Qualifications: Skills: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (I

System Administrator (SA2) (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

Information Systems Security Officer Level 2

General Dynamics

Annapolis, Maryland, 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: Information Security Job Qualifications: Skills: Computer Security, Information System Security, Security Information, Security Requirements, System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Provides support for a

System Administrator II

General Dynamics

Annapolis, Maryland, 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: Systems Administration Job Qualifications: Skills: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

System Administrator (SA3) (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 Systems Security Officer

BlueHalo

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologists and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us t

Information Systems Security Officer

Base-2 Solutions, LLC

Fort Meade, Maryland, USA

Full-time

Job Description: Base-2 Solutions is seeking a dedicated and detail-oriented Information Systems Security Officer (ISSO) to join our team. Our ISSOs are responsible for ensuring the security posture of mission-critical systems by supporting compliance efforts, managing risk, and enforcing security policies. We're looking for individuals who excel at navigating complex cybersecurity environments, maintaining meticulous documentation, and fostering collaboration between technical teams and govern

Storage Administrator

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you an experienced storage administrator who thrives in secure, high-stakes environments? Do you enjoy supporting mission-focused teams through robust enterprise storage systems? If so, we 're looking for someone like you to join our team at APL. We are seeking a creative IT professional to help us support classified computing facilities that are instrumental to significant Department of Defense and other government organizations. We take great pride in contributing our hardw

Modernization Accelerator: May-June Hiring Alerts; Software Engineers

Lockheed Martin Corporation

Annapolis, Maryland, USA

Full-time

Job Description What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, y