security administrator Jobs in washington

201 - 220 of 1,890 Jobs

Senior MQ EngineerJob Title - Senior MQ Engineer

MaximusCompany Name - Maximus

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Maryland, USA

Full-time

General information Job Posting Title Senior MQ Engineer Date Thursday, July 17, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking an experienced Senior MQ Engineer to support a federal client in their mission-critical defense systems for Homeland Security. In this role, you will be responsible for the daily operations and administration of IBM MQ environments, ensuring secure, reliable message flow across application

Cybersecurity Engineer (IASE/ISSE)Job Title - Cybersecurity Engineer (IASE/ISSE)

LeidosCompany Name - Leidos

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Suitland-Silver Hill, Maryland, USA

Full-time

Join Our Elite Team as a Cybersecurity Engineer (IASE/ISSE) Location: Suitland, MD (National Maritime Intelligence Center) Security Clearance: Active DoD Top Secret/SCI (TS/SCI) security clearance Leidos is seeking a dynamic Security Engineer to work onsite at the National Maritime Intelligence Center. This role offers the chance to make a significant impact on national security while advancing your career. Why Join Us: Expert Role: Be recognized as a subject matter expert in Cybersecurity a

Cyber Security EngineerJob Title - Cyber Security Engineer

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

Description 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 exp

Senior Cybersecurity Systems EngineerJob Title - Senior Cybersecurity Systems Engineer

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Washington, District of Columbia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Cybersecurity Systems Engineer SME to join our team. You will provide security engineering, assessment, and weapon systems security oversight activities that support complex weapon systems. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees co

Systems AdministratorJob Title - Systems Administrator

Aerospace CorporationCompany Name - Aerospace Corporation

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Chantilly, Virginia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

Linux AdministratorJob Title - Linux Administrator

American Systems CorporationCompany Name - American Systems Corporation

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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

Senior Information Systems Security Officer 15k Sign on BonusJob Title - Senior Information Systems Security Officer 15k Sign on Bonus

LeidosCompany Name - Leidos

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

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Information System Security Engineer 2Job Title - Information System Security Engineer 2

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information System Security Engineer 3Job Title - Information System Security Engineer 3

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

Lan LeadJob Title - Lan Lead

AAC IncCompany Name - AAC Inc

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Fort Belvoir, Virginia, USA

Full-time

LAN Lead Each LAN Lead oversees LAN support for their assigned region (NE, Central, Western & Southern), providing technical direction and coordinating efforts across projects and personnel. Develops the requirements of a product or solution from inception to conclusion. Develops required specifications for simple to moderately complex problems. Coordinates with the Task Order PM, COTRs, and government user representatives to ensure accurate solutions and user satisfaction on technical matters.

Systems AdministratorJob Title - Systems Administrator

LeidosCompany Name - Leidos

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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

Security Automation EngineerJob Title - Security Automation Engineer

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Arlington, Virginia, USA

Full-time

Security Automation Engineer As a Security Automation Engineer, you will provide technical leadership and strategic guidance on security automation and secure system engineering to both internal and external stakeholders. This role is responsible for designing, implementing, and maintaining automation tools and pipelines that support the Enterprise Security team's mission. The company is located in Reston, VA and will remain 100% remote. This role is a 6-month contract-to-hire. What You Will Be

Systems Administrator Expert - Backup and ConfigurationJob Title - Systems Administrator Expert - Backup and Configuration

General DynamicsCompany Name - General Dynamics

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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

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

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a ISSO to join our team in Chantilly, VA. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 100% Employee Owners

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Senior Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center, deploying and managing a complex network spanning multiple customer sites and the cloud. We are seeking a skilled Senior Network Engineer to design, procure, and install network systems that meet Department of Defense (DoD) specifications. In this role, you will develop network architectures, collaborate with procurement teams to

Cybersecurity Detection Engineer (Government)Job Title - Cybersecurity Detection Engineer (Government)

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

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Oakton, Virginia, USA

Full-time

Job Description: This is a hybrid position with occasional visits to client site in Washington, D.C. 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. The detection engineer blends techn

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

SAP Americas, Inc.Company Name - SAP Americas, Inc.

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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

Network AdministratorJob Title - Network Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Network Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and proactive Network Administrator to manage and support our organization's network infrastructure. In this role, you will ensure the reliability, security, and performance of our systems by maintaining hardware, troubleshooting network issues, and optimizing connectivity. Collaborating with a dynamic team, you will play

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

General DynamicsCompany Name - General Dynamics

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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