Information Systems Security Engineer Jobs in Washington

801 - 820 of 3,967 Jobs

Cybersecurity EngineerJob Title - Cybersecurity Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

Cybersecurity Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Cybersecurity Engineer to join our team and play a pivotal role in protecting our organization's critical systems and data. This position offers the opportunity to design, implement, and maintain robust security measures while collaborating with a talented team to address evolving cyber threats. The ideal c

Security Control Assessor - PlacementJob Title - Security Control Assessor - Placement

Apex SystemsCompany Name - Apex Systems

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Alexandria, Virginia, USA

Full-time

Job#: 2080003 Job Description: Apex Systems is seeking a Security Control Assessor to support the US Coast Guard in Alexandria, VA. If interested email your resume. #clearance Position: Security Control Accessor Location: Fully onsite in Alexandria, VA Hours: Regular Business hours Compensation: $130,000-150,000yr What You'll Get to Do As the Security Control Assessor, you will be a member of a team in our Service Assurance organization responsible for managing all Risk Management Framework

Systems Administrator 1Job Title - Systems Administrator 1

JacobsCompany Name - Jacobs

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Maryland, USA

Full-time

Your Impact: 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 to join our team of passionate individuals in Annapolis Junction, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Responsibilities: Skilled Linux based System Administrator to support DevOps team. This role requires a self-mot

Principal Security ResearcherJob Title - Principal Security Researcher

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Principal Security Researcher. Candidate will contribute to a number of strategic research initiatives to develop the product and services catalogue. Primary focus for this role is to analyze ransomware samples and threat actor tools to gain insights for future product features, threat actor insights, and assist in the validation of our cur

Senior Cyber Consultant - ISSO/ISSMJob Title - Senior Cyber Consultant - ISSO/ISSM

Navigant ConsultingCompany Name - Navigant Consulting

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Washington, District of Columbia, USA

Full-time

Job Family: Cyber Consulting Travel Required: Up to 10% Clearance Required: Active Secret What You Will Do: Apply fundamental cybersecurity principles and concepts to tasks and projects.Assess and implement NIST Cybersecurity Framework (CSF) guidelines, standards, and best practices for cyber security and risk management to strengthen an organizations security posture.Review disaster recovery capabilities (backups), Endpoint Detection and Response (EDR), Web Application Firewall (WAF), applic

Architecture Engineer (NE II) (Government)Job Title - Architecture Engineer (NE II) (Government)

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

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Chantilly, Virginia, USA

Full-time

Job Description: This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. 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

SAR/SCI Systems Administrator - Advanced 1Job Title - SAR/SCI Systems Administrator - Advanced 1

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Do you love solving complex technical problems in customized IT environments? Are you passionate about providing advanced system administration support for unique, mission-critical projects? Do you like contributing to innovative projects that directly impact national security? If so, we're looking for someone like you to join our team at APL. We are seeking a talented Tier 3 Systems Administrator to expertly manage, secure, and maintain customized Windows and Linux environments

Network EngineerJob Title - Network Engineer

AAC IncCompany Name - AAC Inc

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Rockville, Maryland, USA

Full-time

Manages, coordinates, and performs many aspects of network resource planning, analysis of needs and services and participates in operation and administration of the LAN/WAN infrastructure. This individual participates in designing/engineering solutions, planning and executing new implementations and new product integrations, and recommends LAN/WAN improvements. Provides leadership to other technical staff. Plans, executes, and manages complex technical tasks and projects. Responsible for problem

SIEM EngineerJob Title - SIEM Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

SIEM Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive SIEM Engineer to join our cybersecurity team and play a critical role in safeguarding our systems and data. In this role, you will design, implement, and manage Security Information and Event Management (SIEM) solutions, ensuring real-time monitoring, threat detection, and effective incident response. Collaborating w

Cybersecurity Risk Management Analyst u2013 Component LevelJob Title - Cybersecurity Risk Management Analyst u2013 Component Level

Evolver FederalCompany Name - Evolver Federal

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Springfield, Virginia, USA

Full-time

Evolver Federal is seeking a Cybersecurity Risk Management Analyst - Component Level to support its Federal client in Springfield, VA in managing all aspects of cybersecurity risk and compliance including, but not limited to developing and maintaining processes and tools, being the primary point person in stakeholder engagement and communication, developing and facilitating FISMA metrics and reporting, and supporting all aspects of the client's security authorization and compliance processes. Th

IT Asset Management AnalystJob Title - IT Asset Management Analyst

SAICCompany Name - SAIC

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Quantico, Virginia, USA

Full-time

Job ID: 2507619 Location: QUANTICO, VA, US Date Posted: 2025-07-17 Category: Information Technology Subcategory: IT Asset Mgmt Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description Introduction: Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabil

Cybersecurity EngineerJob Title - Cybersecurity Engineer

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Cybersecurity Engineer Are you looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like the

Computer Network Defense Analyst (CNDA)Job Title - Computer Network Defense Analyst (CNDA)

BlueHaloCompany Name - BlueHalo

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Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologists and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us t

System Administrator IIJob Title - System Administrator II

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: 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

Senior Network EngineerJob Title - Senior Network Engineer

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior 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

System Administrator (SA2) (Government)Job Title - System Administrator (SA2) (Government)

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

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Columbia, Maryland, USA

Full-time

Job Description: 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. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

COMSEC Account ManagerJob Title - COMSEC Account Manager

Chenega MIOSCompany Name - Chenega MIOS

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Oakton, Virginia, USA

Full-time

Req ID: 36914 Summary COMSEC Account Manager Oakton, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the

MARS Pursuit - Fall 2025Job Title - MARS Pursuit - Fall 2025

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2507237 Location: WASHINGTON, DC, US Date Posted: 2025-07-03 Category: Information Technology Subcategory: Data Scientist Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking talented individuals to support a comprehensive set of system/software engineering and Information Technology (IT) services to maintain, sustain,

Network Engineer (NE3) (Government)Job Title - Network Engineer (NE3) (Government)

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

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Columbia, Maryland, USA

Full-time

Data Analyst, SeniorJob Title - Data Analyst, Senior

American Systems CorporationCompany Name - American Systems Corporation

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Springfield, Virginia, 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 Performs research, collection and collation of data from studies.Responsible for the compilation of data, and preparation of inputs into larger reports.Performs assessments and projections as part of analysis pr