security administrator Jobs in washington

201 - 220 of 1,949 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 Wednesday, July 16, 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 applicatio

Senior MQ EngineerJob Title - Senior MQ Engineer

MaximusCompany Name - Maximus

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Maryland, USA

Full-time

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

System AdministratorJob Title - System Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

System Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented System Administrator to join our team and help maintain the stability, security, and performance of our IT infrastructure. In this role, you will be responsible for managing servers, networks, and other critical systems, ensuring that they run efficiently and securely. You will also handle system updates,

Information Systems Security OfficerJob Title - Information Systems Security Officer

ManTechCompany Name - ManTech

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Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Information Systems Security Officer (ISSO) to join our team in Hanover, MD Responsibilities Included but are not limited to:Ensures that the appropriate operational security posture is maintained for an Information System, or IS. Develop and update System Security Plans (SSP's). Manages and controls changes to the system and assesses the security impact of those changes. Incorporates and/or implements the Risk Management Framework (RMF) d

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 3Job Title - Information System Security Engineer 3

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 2Job Title - Information System Security Engineer 2

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

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

System Administrator IIJob Title - System Administrator II

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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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: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

DevSecOps AWS Cloud Security Services Onsite Manassas VAJob Title - DevSecOps AWS Cloud Security Services Onsite Manassas VA

SmoothStackCompany Name - SmoothStack

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Manassas, Virginia, USA

Contract, Third Party

DevSecOps AWS Cloud Security Services Onsite Manassas VA In-Person Interview

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

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.

Program Security Officer-JourneymanJob Title - Program Security Officer-Journeyman

ManTechCompany Name - ManTech

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Fort Belvoir, Virginia, USA

Full-time

ManTech seeks a Program Security Officer, Journeyman, in support of our government customer. The Program Security Officer provides special access security oversight for the Missile Defense Agency supporting 10,0000+ personnel at numerous geographically separated locations. Responsibilities include but are not limited to: Interface with senior agency leadership and government officials to develop, document and publish MDA Special Access Program (SAP) Security Policy to protect sensitive special

Information Systems Security EngineerJob Title - Information Systems Security Engineer

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

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Fort Belvoir, Virginia, USA

Full-time

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 implementation of security solut

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

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

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,

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