Information Systems Security Officer Jobs in District of Columbia

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421 - 440 of 5,027 Jobs

Mission Operations Lead

Iridium Satellite LLC

•

Reston, Virginia, USA

Full-time

Company Overview Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things. At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across
Posted 23 days ago | Updated 11 hours ago

Lead Systems Engineer

Leidos

•

Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for Lead Systems 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 immediat
Posted 32 days ago | Updated 8 hours ago

Data Analyst, Senior

American Systems Corporation

•

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
Posted 34 days ago | Updated 2 hours ago

Software Engineer: Data Visualization and Analysis

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Are you passionate about applying software engineering solutions to challenging problems with a group of dedicated technical specialists? Do you like contributing to critical technologies that are vital to maintaining our national security? If so, we're looking for someone like you to join our team at APL. We are seeking a dynamic, technically curious, results-oriented, and meticulous software engineer to contribute to developing and deploying software solutions that meet/exceed
Posted 12 days ago | Updated 2 hours ago

Network Systems Engineer

QinetiQ US

•

McLean, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a
Posted 22 days ago | Updated moments ago

IT Subject Matter Expert

SAIC

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Bethesda, Maryland, USA

Full-time

Job ID: 2506109 Location: BETHESDA, MD, US Date Posted: 2025-05-28 Category: Information Technology Subcategory: IT Systems Engineer 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 th
Posted 19 days ago | Updated moments ago

Senior Network Engineer

Leidos

•

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
Posted 30 days ago | Updated 2 hours ago

Embedded Developer 0

Accenture LLP

•

Annapolis, Maryland, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 34 days ago | Updated 2 hours ago

GRC Analyst

Robert Half

•

Bethesda, Maryland, USA

Contract

Description We are looking for a detail-driven GRC Analyst to join our team in Bethesda, Maryland. In this long-term contract role, you will play a vital part in ensuring adherence to security governance, risk management, and compliance standards. Your efforts will support the organization's compliance with frameworks such as NIST 800-171 and FedRAMP while enhancing audit readiness and maintaining secure system operations. Responsibilities: Monitor and track the implementation of security contr
Easy Apply
Posted 11 days ago | Updated 11 hours ago

Network Systems Engineer

QinetiQ

•

McLean, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields all
Posted 24 days ago | Updated moments ago

SAP Material Master (MM) Functional Consultant

Accenture LLP

•

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 34 days ago | Updated 2 hours ago

System Administrator (SA3) (Government)

AT&T Inc.

•

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) is focused is on Directory Infrastructure Services (Active Directory (AD), Exchange, Identity Mana
Posted 9 days ago | Updated 2 hours ago

Subject Matter Expert Level III / Senior Network Architect

GovCIO

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Bethesda, Maryland, USA

Full-time

Overview GovCIO is currently hiring for Subject Matter Expert - Level / Senior Network Architect for our NIH-CIT Proposal. This position will be located in Rockville, MD and will be a hybrid position. Responsibilities The SME role's responsibilities include: Coordinate with the Section Manager to evaluate, design, and test architecture designs and services from the roadmap backlog Lead the transition of user accepted designs and services to the Operations and Security Teams Provide subject
Posted 60+ days ago | Updated 11 hours ago

Senior Software Engineer (Java & Angular)

Accenture LLP

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Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 32 days ago | Updated 2 hours ago

Reverse Engineer - Level 3

Accenture LLP

•

Annapolis, Maryland, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 34 days ago | Updated 2 hours ago

Senior Software Engineer (.NET & C#)

Accenture LLP

•

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 32 days ago | Updated 2 hours ago

IT Specialist (Applications Software)

Defense Contract Management Agency

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Linthicum Heights, Maryland, USA

Full-time

Summary See below for important information regarding this job. Additional vacancies may be filled from this announcement. This job is open to Federal employees - Competitive service Current federal employees whose agencies follow the U.S. Office of Personnel Management's hiring rules and pay scales.Career transition (CTAP, ICTAP, RPL) Federal employees whose job, agency or department was eliminated and are eligible for priority over other applicants.Veterans Veterans of the U.S. Armed For
Posted 2 hours ago

Network Security Engineer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Network Security Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Network Security Engineer to join our team and play a critical role in safeguarding our organization's digital infrastructure. In this position, you will design, implement, and maintain robust security measures to protect networks, systems, and data from cyber threats. You'll work closely with cross-functio
Posted 60+ days ago | Updated 2 hours ago

Digital Network Exploitation Analyst

Realm One

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Annapolis, Maryland, USA

Full-time

RealmOne is FOCUSED on you! 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 this new miss
Posted 34 days ago | Updated 2 hours ago

Database System Administrator 3

Accenture LLP

•

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 8 days ago | Updated 2 hours ago