security administrator Jobs in washington

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SAP NS2 Intel Security and Governance, Risk & Compliance (GRC) Consultant- Onsite - Chantilly, VA

SAP Americas, Inc.

Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i

Linux Administrator

American Systems Corporation

Gaithersburg, Maryland, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a Linux Administrator with AMERICAN SYSTEMS you will have the opportunity to do the following: Collaborate with onsite system design personnel to implement new system software and hardware.Maintain and develo

ITIL Asset Management Analyst

SAIC

Reston, Virginia, USA

Full-time

Job ID: 2507907 Location: RESTON, VA, US Date Posted: 2025-07-24 Category: Information Technology Subcategory: IT Asset Mgmt 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 development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the Intell

Cybersecurity Support Services Engineer (CSSE), TS/SCI with Polygraph

General Dynamics

Chantilly, 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: Information Security Job Qualifications: Skills: Cybersecurity, Incident Response, Vulnerability Remediation Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: We are seeking an experienced Cybersecurity Support Services Engineer to

Cybersecurity Support Services Engineer (CSSE) - TS/SCI with Polygraph

General Dynamics

Chantilly, 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: Information Security Job Qualifications: Skills: Cybersecurity, Incident Response, Vulnerability Remediation Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: We are seeking an experienced Cybersecurity Support Services Engineer to

Information Systems Security Engineer

Booz Allen Hamilton

Fort Belvoir, Virginia, USA

Full-time

Job Number: R0221437 Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementat

Systems Administrator

Leidos

Springfield, Virginia, USA

Full-time

The Multi-Domain Solutions (MDS) division at Leidos is seeking a detail-oriented and experienced Systems Administrator to manage the installation, configuration, administration, and maintenance of enterprise systems and associated hardware. The ideal candidate will play a key role in supporting IT infrastructure, ensuring system reliability, performance, and security across physical and virtual environments. Primary Responsibilities: Install, configure, and maintain systems, including servers a

Systems Administrator Expert - Backup and Configuration

General Dynamics

Washington, District of Columbia, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Backup and Recovery (Software), Computer Backups, Information Technology (IT) Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Systems Administrator Expert - Backup and Configuration Transform technology into oppor

Elastic Engineer

System One

Springfield, Virginia, USA

Contract

Elastic Engineer 100% Remote Secret clearance is required to start We are seeking a highly skilled and motivated Elastic Engineer to join our team supporting mission-critical systems for U.S. government clients. The ideal candidate will be responsible for architecting, deploying, configuring, and maintaining Elasticsearch and the Elastic Stack (ELK Stack), enabling real-time analytics, data aggregation, and visualization solutions. This role requires hands-on experience working in secure, regul

System Security Engineer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

System Security Engineer LOCATION Tysons, VA 22182 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 industry standards

Senior Cybersecurity Analyst / Information Security Manager - Top Secret Clearance

Akima, LLC

Rockville, Maryland, USA

Full-time

We are seeking a highly skilled Senior Cybersecurity Analyst / Information Security Manager with expertise in IT security, risk management, and policy development. The ideal candidate will have a minimum of five (5) years of experience implementing security measures to protect the confidentiality, integrity, and availability of information systems and data, along with at least two (2) years of supervisory experience in a cybersecurity or IT security role. This individual will be responsible for

Security Engineer

ManTech

Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA. We are searching for a highly skilled Security Engineer to design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive appro

Security Engineer

ManTech

Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA. The Security Engineer will design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-criti

Linux Systems Administrator (Tier I)

American Systems Corporation

Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is a 100% employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities This job requisition is for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when the work becomes available. As a Tier I Linux S

Senior Systems Engineer

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2506843 Location: WASHINGTON, DC, US Date Posted: 2025-06-18 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is seeking a Senior Systems Engineer to support a critical U.S. government agency in the National Capital Region. This SME-level role is ideal for an experienced systems engi

Intelligence Analyst Lvl II

Knowledge Management, Inc

Washington, District of Columbia, USA

Contract

Knowledge Management, Inc. (KMI) has the leadership and experience to deliver innovative technology, logistics and management solutions to meet real mission requirements. KMI is a Minority Business Enterprise (MBE) and Small Disadvantage Business (SDB) that specializes in Logistics, Warehouse Services, Distance Learning/Training, Enterprise Solutions, Financial Management Support, Program Management, Intelligence Analysis & Threat Assessment, and Data Analytics/Operations Research. Since 1998, o

Cyber Security Engineer

Leidos

Bethesda, Maryland, USA

Full-time

Leidos has an exciting opening for you, our next TS/SCI Cyber Security Engineer working across several Task Orders under the DOMEX Technology Platform (DTP) contract supporting NMEC. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. As a Cyber Security Engineer, your job will be to design, develop, and implement secure systems in on-premises infrastructure. You will leverage on your experience with

Computer Security Engineer -02122

Syneren Technologies

Alexandria, Virginia, USA

Full-time

Job Description: Syneren is currently seeking a Computer Security Engineer. Job Location: Alexandria (onsite) Key Responsibilities: Manage and maintain the Cybersecurity infrastructure (ACAS, Trellix, Sentinel, Defender for Cloud, ForeScout), including policy configuration, deployment, and monitoring. Administer and configure ACAS (Nessus) to perform vulnerability scanning, compliance assessments, and reporting across the enterprise. Monitor, analyze, and respond to cybersecurity threats and inc

Network Administrator

Leidos

Washington, District of Columbia, USA

Full-time

Job DescriptionDescription The Leidos Security and Engineering Programs (SEP) is seeking a Network Administrator for the Center for Information Systems Security (CISS) program. This is a unique role which offers opportunities for growth in different areas (networking, system administration, etc) for motivated individuals. This position requires the ability to work flexible hours in Washington DC. Work Schedule is as follows: Monday thru Friday 6PM-2:30PM Primary Responsibilities 1) Performs t

Network Administrator

Leidos

Washington, District of Columbia, USA

Full-time

Job DescriptionDescription The Leidos Security and Engineering Programs (SEP) is seeking a Network Administrator for the Center for Information Systems Security (CISS) program. This is a unique role which offers opportunities for growth in different areas (networking, system administration, etc) for motivated individuals. This position requires the ability to work flexible hours in Washington DC. Work Schedule is as follows: Monday thru Friday 6PM-2:30PM Primary Responsibilities 1) Performs t