Senior Network Security Engineer Jobs in Baltimore, MD

241 - 260 of 392 Jobs

Information Systems Security Officer (ISSO3) (Government)Job Title - Information Systems Security Officer (ISSO3) (Government)

AT&T Inc.Company Name - 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

Network AdministratorJob Title - Network Administrator

SAICCompany Name - 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

Network AdministratorJob Title - Network Administrator

SAICCompany Name - SAIC

•

Aberdeen, Maryland, USA

Full-time

Job ID: 2507143 Location: ABERDEEN, MD, US Date Posted: 2025-07-09 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: 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 En

Information Systems Security Officer - 15k Sign on Bonus!Job Title - Information Systems Security Officer - 15k Sign on Bonus!

LeidosCompany Name - 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 System Security OfficerJob Title - Information System Security Officer

Cymertek CorporationCompany Name - Cymertek Corporation

•

Annapolis, Maryland, USA

Full-time

Information System Security Officer 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 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 securi

Information Systems Security Manager (ISSM)Job Title - Information Systems Security Manager (ISSM)

Cymertek CorporationCompany Name - 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 Systems Security OfficerJob Title - Information Systems Security Officer

Kratos Defense and Security Solutions, Inc.Company Name - Kratos Defense and Security Solutions, Inc.

•

Glen Burnie, Maryland, USA

Full-time

Job Description The Information Systems Security Officer is responsible for the day-to-day operations and support of classified information systems at our Kratos Defense & Rocket Support Services, Glen Burnie, MD facility. This will include physical and environmental protection, personnel security, incident handling, security training and awareness. The successful candidate will be required to work in close coordination with the site's ISSM in monitoring the information system(s) in its enviro

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Cymertek CorporationCompany Name - Cymertek Corporation

•

Annapolis, Maryland, USA

Full-time

Information Systems Security Officer (ISSO) 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 detail-oriented and proactive Information Systems Security Officer (ISSO) to support and maintain the security of our information systems. In this role, you will be responsible for ensuring systems operate in compliance with established security policies, procedures, and regulations. You will work cl

System AdministratorJob Title - System Administrator

JacobsCompany Name - 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

Sr. Systems EngineerJob Title - Sr. Systems Engineer

Motorola SolutionsCompany Name - Motorola Solutions

•

Florida, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil

Senior Systems Engineer, IT InfrastructureJob Title - Senior Systems Engineer, IT Infrastructure

tax.comCompany Name - tax.com

•

Remote or Manila, Metro Manila, Philippines

Full-time

Why Ryan? Flexible Work EnvironmentAward-Winning CultureWorld-Class Benefits and CompensationAccelerated Career PathCommunity OutreachMentorship OpportunitiesWellness-Centric Benefits The Senior Systems Engineer demonstrates superb technical competency and time management skills to deliver mission critical infrastructure and ensure the highest levels of availability, performance, and security. Duties and Responsibilities: People: Act as a technical reference for staff on existing and upcoming

System Administrator (SA1) (Government)Job Title - System Administrator (SA1) (Government)

AT&T Inc.Company Name - AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Information Systems Security Officer - Clearance RequiredJob Title - Information Systems Security Officer - Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Fort Meade, Maryland, USA

Full-time

Job Description What We're Doing: Lockheed Martin, Rotary Mission Systems 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 moder

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Radiance TechnologiesCompany Name - Radiance Technologies

•

Maryland, USA

Full-time

Radiance Technologies, a 100% employee-owned company, is seeking a Journeyman Information Systems Security Officer (ISSO) to support cybersecurity operations for the Project Manager for Cyber and Space (PM C&S) within the Program Executive Office for Intelligence, Electronic Warfare, and Sensors (PEO IEW&S). The ISSO will assist in safeguarding DoD information systems, ensuring cybersecurity compliance, and implementing DoD cyber policies and standards throughout system lifecycles. This position

IT Security Systems Analyst - REMOTE - CONTRACT TO HIREJob Title - IT Security Systems Analyst - REMOTE - CONTRACT TO HIRE

Kapsons LLCCompany Name - Kapsons LLC

•

Remote

Contract

A Fortune 500 company is seeking an experienced IT Security Analyst to support the security and compliance of enterprise systems, infrastructure, and applications. With a strong national presence and a culture rooted in innovation and collaboration, this organization offers the opportunity to work in a fast-paced, forward-thinking environment. This role is remote, with a preference for candidates based in Los Angeles or Houston due to team alignment. Occasional light travel may be required for t

Information Systems Security OfficerJob Title - Information Systems Security Officer

Base-2 Solutions, LLCCompany Name - 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

Senior Systems Engineer, IT InfrastructureJob Title - Senior Systems Engineer, IT Infrastructure

tax.comCompany Name - tax.com

•

Remote or Manila, Metro Manila, Philippines

Full-time

Why Ryan? Flexible Work EnvironmentAward-Winning CultureWorld-Class Benefits and CompensationAccelerated Career PathCommunity OutreachMentorship OpportunitiesWellness-Centric Benefits The Senior Systems Engineer demonstrates superb technical competency and time management skills to deliver mission-critical infrastructure and ensure the highest levels of availability, performance, and security. Duties and Responsibilities: People: Act as a technical reference for staff on existing and upcoming

NOC Technician (Tier 2)Job Title - NOC Technician (Tier 2)

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

•

Annapolis, Maryland, USA

Full-time

Tier 2 NOC Technician / Incident Manager Location: Annapolis, MD (5 days/week on-site) Duration: 1-Year Contract (Contract-to-Hire Potential) TEKsystems is seeking a Tier 2 Network Operations Center (NOC) Technician / Incident Manager to support a leading higher education institution. This role is ideal for someone with strong foundational certifications, hands-on troubleshooting experience, and the flexibility to work swing shifts in a 24x7x365 operations center. Day-to-Day Responsibilities:

Information Security Professionals ISSO ISSEJob Title - Information Security Professionals ISSO ISSE

LeidosCompany Name - Leidos

•

Fort Meade, Maryland, USA

Full-time

Leidos is seeking Information Security Professionals for programs 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% company match and immediate vesting, Fle

Principal Security ResearcherJob Title - Principal Security Researcher

Request Technology, LLCCompany Name - Request Technology, LLC

•

Remote

Full-time

We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Principal Security Researcher. This principal will reverse engineer malicious binaries to find ransomware samples. The principal must have experience with languages such as Python, Ruby, C++, Rust, and cryptographic algorithms. Responsibilities: Reverse engineer malicious or unknown binaries to find insights and intelligence in ransomware samples and threat actor toolkitsUse and develop tools