security administrator Jobs in washington

341 - 360 of 1,748 Jobs

Network System AdministratorJob Title - Network System Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Annapolis, Maryland, USA

Full-time

Network System Administrator 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 detail-oriented Network Systems Administrator to join our team and oversee the design, implementation, and maintenance of our network and system infrastructure. In this role, you will ensure the reliability, security, and efficiency of both network operations and system performance. Collaborating

Application Security EngineerJob Title - Application Security Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Fort Meade, Maryland, USA

Full-time

Application Security Engineer The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how. As a cloud computing infrastructure architect, you know how to take advantage of cloud capabilities. On our team of experienced professionals, you'll use cutting-edge enterprise cloud platforms to support your clients as they modernize their IT infrastructure and meet their most challenging missions. We're looking for someone like you to help support national security. Whether m

Digital Network Exploitation Analyst 1Job Title - Digital Network Exploitation Analyst 1

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

We're searching fortalented 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: We are looking for a Digital Network Exploitation Analyst (DNEA) to evaluate target opportunities using all-source data, unde

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

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Information Systems Security Manager (ISSM) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an experienced and dedicated **Information Systems Security Manager (ISSM)** to join our team and lead efforts to secure and protect our information systems. In this role, you will be responsible for overseeing the security posture of our organization's systems, ensuring compliance with relevant standards, and

Systems Administrator - Network Monitoring - Active Top Secret clearance requiredJob Title - Systems Administrator - Network Monitoring - Active Top Secret clearance required

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: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Systems, Enterprise Monitoring, Monitoring Solutions Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Systems Administrator -Network Monitoring Seize your opportunity to make a personal impact as a

Systems Administrator - Network Monitoring - Active Top Secret clearance requiredJob Title - Systems Administrator - Network Monitoring - Active Top Secret clearance required

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Washington, District of Columbia, USA

Full-time

Systems Administrator - Network Monitoring - Active Top Secret clearance requiredJob Title - Systems Administrator - Network Monitoring - Active Top Secret clearance required

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Washington, District of Columbia, USA

Full-time

Information System Security Officer (ISSO) - Full-TimeJob Title - Information System Security Officer (ISSO) - Full-Time

Chabez Tech LLCCompany Name - Chabez Tech LLC

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Maryland City, Maryland, USA

Full-time

Role: Information System Security Officer (ISSO) Location: Annapolis Junction, MD Job Type: Full-Time We are looking for an Information System Security Officer (ISSO) to work at our Annapolis Junction, MD, location. This is an exciting opportunity to use your experience to support an important, fast-paced, mission-critical program. The selected candidate will act as an ISSO for a large software development program that includes software maintenance and development, IT support (Network/Workstatio

Network EngineerJob Title - Network Engineer

Harmonia Holdings Group, LLC.Company Name - Harmonia Holdings Group, LLC.

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Washington, District of Columbia, USA

Full-time

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Position: Network Engineer Location: Washington DC - Fully Onsite Clearance: Top Secret with SCI Harmonia is currently looking for a smart and self-motivated Network Engineer who understands a wide range

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and skilled **Information Systems Security Engineer (ISSE)** to join our team and play a critical role in ensuring the security and integrity of our information systems. In this role, you will design, implement, and maintain security solutions to safeguard sensitive data and infrastructure. You will c

Information System Security Officer 2Job Title - Information System Security Officer 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 Officer 3Job Title - Information System Security Officer 3

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

Senior O365 EngineerJob Title - Senior O365 Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506825 Location: WASHINGTON, DC, US Date Posted: 2025-07-28 Category: Information Technology Subcategory: Sys Administrator 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 motivated, experienced Senior O365 Engineer with experiences in Microsoft Cloud Technologies to support Pension Benefit Guaranty Corporation (PBGC) in Washington,

COMSEC/Network EngineerJob Title - COMSEC/Network Engineer

LeidosCompany Name - Leidos

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Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a COMSEC/Network Engineer 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 vestin

Systems Administrator / Service DeskJob Title - Systems Administrator / Service Desk

JacobsCompany Name - Jacobs

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Columbia, Maryland, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Systems Administrator / Service Desk to join our team of passionate individuals in Columbia, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Your Impact: Come be a part of an exciting and ever-changing program that provides a comprehensive range of state-of-the-

Cryptologic Signals AnalystJob Title - Cryptologic Signals Analyst

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0222762 Cryptologic Signals Analyst The Opportunity: As a Cryptologic Signals Analyst, you will provide dataflow engineering support to improve U.S. Navy Signals Intelligence ( SIGINT ) Tasking, Collection, Processing, Exploitation, and Dissemination ( TCPED ) as part of the evolving Distributed SIGINT Operations ( DSO ) architecture supporting cyber operations. Leverage subject matter expertise in technical, operational, and data and systems engineering. Provide recommendations re

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

We are seeking a highly skilled Network Engineer to design, configure, and maintain network systems that support critical SAP landscapes. The ideal candidate will play a key role in ensuring optimal network performance and availability for SAP applications, collaborating with cross-functional IT teams to support business operations, security compliance, and disaster recovery initiatives. Primary Responsibilities: Design, configure, and maintain network infrastructure supporting SAP systems.Moni

System Administrator Level 3Job Title - System Administrator Level 3

General DynamicsCompany Name - General Dynamics

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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 (

Elastic EngineerJob Title - Elastic Engineer

ALTA IT ServicesCompany Name - ALTA IT Services

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Springfield, Virginia, USA

Full-time

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

ArchitectJob Title - Architect

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Description Job Description Are you an organized and detail-oriented professional with a passion for safeguarding the integrity of critical systems? Are you ready to take on a role where your expertise will make a critical impact? The Multi-Domain Solutions (MDS) division is seeking a Systems Architect to join a new program opportunity and play a key role in supporting government-critical systems. You could be part of a program that oversees management of systems infrastructures, implementing