System Security jobs in Frederick, MD

Hybrid in Rockville, Maryland

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3d ago

Our client is seeking a Cyber Security Team Lead to join our program supporting a leading biomedical government research institution in the United States. Our program designs, secures, and manages enterprise infrastructure that hosts mission-critical applications across both on-premises and cloud environments. As the Cyber Security Team Lead, you will oversee a multidisciplinary security team responsible for audits, ATO boundary management, continuous monitoring, vulnerability remediation, and s

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Contract

65 - 70

Information Systems Security Engineer

Sterling, Virginia

•

Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

Assessment and Authorization Analyst

Hybrid in Ashburn, Virginia

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15d ago

Our Ashburn, VA based client is looking for an Assessment and Authorization Analyst. If you are interested in these positions. Please email your resume to Primary Responsibilities The selected candidate will apply experience as an Assessment and Authorization Analyst by evaluating Agency Information Systems being introduced to the environment to determine if they meet the required security standards and are authorized to operate within the Agency network, using the NIST Risk Management Framewor

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Contract

110 - 130

Mainframe Systems Administrator

Remote

•

Today

The Mainframe Systems Administrator is responsible for ensuring the optimal operation, security, and integrity of our enterprise mainframe environment. This role involves operating, monitoring, and maintaining mainframe systems, peripherals, servers, and network components to support business-critical applications. The administrator will participate in disaster recovery planning and testing, provide first-level help desk support, and adapt to diverse operational duties within customized data cen

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Third Party, Contract

Depends on Experience

Information Systems Security Officer

Ashburn, Virginia

•

Today

Leidos is seeking an ISSO Lead to support a wide range of systems engineering, administration, and Cyber security & regulatory compliance services necessary to maintain and secure OPR information technology networks used in the detection and investigations of cybercrimes and CBP policy violations. Primary Responsibilities: The candidate shall provide a qualified individual(s) to serve as an Information Systems Security Officer (ISSO) providing cyber security oversight for several major OPR app

Full-time

USD 107,900.00 - 195,050.00 per year

Senior Distinguished Engineer - Automated Governance (Remote-Eligible)

Remote or McLean, Virginia

•

Today

Senior Distinguished Engineer - Automated Governance (Remote-Eligible) As a Distinguished Engineer at Capital One, you will be a part of a community of technical experts working to define the future of banking in the cloud. You will work alongside our talented team of developers, machine learning experts, product managers and people leaders. Our Distinguished Engineers are leading experts in their domains, helping devise practical and reusable solutions to complex problems. You will drive inno

Full-time

USD 286,200.00 - 326,700.00 per year

Cybersecurity Analyst

Remote or Baltimore, Maryland

•

Today

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight a

Full-time

USD 87,600.00 - 131,400.00 per year

Google Cloud Platform Cloud Architect

Remote

•

28d ago

Title: Google Cloud Platform Cloud Architect Location: Remote Position Type: Contract Compensation Pay Range:$100 Per Hr Job Description: Join our team as a Cloud Architect, working remotely on a contract basis. You''ll be responsible for designing and deploying scalable systems, automating infrastructure, and ensuring security compliance using industry-standard technologies. Key Responsibilities Design and deploy scalable, highly available systems on cloud platforms. Develop and maintain in

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Contract

$90 - $100

Senior Cybersecurity Engineer - Simulation & Training (Onsite)

Sterling, Virginia

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Today

Date Posted: 2026-02-17 Country: United States of America Location: US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVIS Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 Senior Cybersecurity Engineer - Simulation & Training (Onsite) **Secr

Full-time

USD 95,500.00 per year

Systems Administrator (LINUX)

Sterling, Virginia

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Today

Full-time

Senior Network/Systems Administrator

Remote

•

Today

Overview GovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be fully remote. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting network/system operations and implement changes

Full-time

USD 94,150.00 - 145,000.00 per year

Principal Cybersecurity Analyst

Remote or Baltimore, Maryland

•

Today

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flig

Full-time

USD 108,800.00 - 163,200.00 per year

Cybersecurity Engineer II - Simulation & Training (Onsite)

Sterling, Virginia

•

Today

Date Posted: 2026-02-17 Country: United States of America Location: US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVIS Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 Cybersecurity Engineer II - Simulation & Training (Onsite) Collins Ae

Full-time

USD 75,800.00 per year

AISSO III

Kearneysville, West Virginia

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Today

Job Title: AISSO Clearance Required: Secret; . Work Location: Hybrid; Portsmouth, VA or Kearneysville, WV (onsite as needed to maintain SIPR access) Alpha Omega is looking for a focused, driven self-starter to work in a highly dynamic, cross-functional, complex IT environment. The Alternate Information System Security Officer (AISSO) will represent the ISSO as the IA liaison to assigned Information Systems (IS), Cloud Systems, Platform Information Technology (PIT), and Platform Information Tec

Full-time

USD 86,000.00 - 113,000.00 per year

Application Security Lead / Architect

Remote

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17d ago

Job Title: App Security Engineer Location: Chicago, IL 60666 (Remote with 10% Travel) Duration: 08 Months They must have Python software development experience and meanwhile have some extend of application security standard and verification experience. Top 5 Skill sets : 1. Software architecture and Python programming 2. Application security testing 3. AWS/Google Cloud Platform 4. Secure code review 5 DevSecOps Nice to have skills or certifications: 1. OWASP ASVS 2. Compliance frameworks 3. SSO

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Contract, Third Party

Depends on Experience

Cyber Security/ZScaler Engineer

Rockville, Maryland

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: MBI (T2) Job Family: Cyber and IT Risk Management Job Qualifications: Skills: CyberArk, Cybersecurity, Okta Identity Management, Zscaler Architecture Certifications: None Experience: 3 + years of related experience ship Required: No Job Description: Seize your opportunity to make a personal impact as a Sr. Cyber Security Analyst supporting ou

Full-time

USD 124,093.00 - 155,250.00 per year

Sr. Linux Systems Engineer

Germantown, Maryland

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Automation Tools, Complex Systems, Linux, System Administration, System Designs Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: GDIT is seeking an experienced Linux Systems Administrator to support critical IT op

Full-time

USD 129,813.00 - 172,500.00 per year

Information Technologist / IT Support

Remote

•

Yesterday

Role: Information Technologist / IT Support Company: Arch Systems Client: US Army Location: Remote Type: Full-time or Consulting SECRET clearance is mandatory, along with IAT II / Security+ certification. Minimum of 2 years of experience providing client support in a Microsoft Windows-based environmentExperience working in a Windows 11 and Microsoft 365 environment, with the ability to maintain Computing Environment (CE) training as systems are upgradedProven experience supporting users in a Mi

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Full-time

75,000 - 95,000

Security Engineer II (Data Security Specialist)

Remote or Los Angeles, California

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Today

RESPONSIBILITIES: Kforce has a client in Los Angeles, CA that is seeking a Security Engineer II (Data Security Specialist). Summary: The Data Security Specialist will integrate Data Loss Prevention (DLP) solutions with enterprise data classification tools using a unified tagging framework, enabling automated enforcement of data-handling controls. This includes supporting continuous data monitoring, access protection, and policy compliance across on-premises and cloud environments to ensure cons

Contract

$53 - $59 hourly

Cybersecurity SME

Remote

•

Today

Overview Mano Lani LLC is looking for an enthusiastic, well-qualified individual to fill the Cybersecurity Subject Matter Expert (SME) position. This role offers the opportunity to work with a diverse and talented group of individuals committed to driving success. Mano Lani is an exceptional industry partner to the Department of Defense (DoD) and a leader in physical and cyber security, IT management, logistics, supply chain management, process improvement and development. The Cybersecurity Sub

Full-time

USD 135,000.00 - 163,000.00 per year

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System Security jobs in Frederick, MD, USA