network security Jobs in washington, dc

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Information Systems Security Officer - Senior

Electronic Consulting Services, Inc (ECS Federal)

Fairfax, Virginia, USA

Full-time

Job Description ECS is seeking an Information Systems Security Officer - Senior to work remotely . ECS is looking for an experienced Information Systems Security Officer (ISSO) to join our team supporting multiple platforms to attain and/or maintain their ATOs. The ISSO will be critical in protecting our DHS customers' information systems and ensuring compliance with federal cybersecurity regulations and policies. The ideal candidate will have a strong background in federal cybersecurity, with

Security Control Assessor

GovCIO

Washington, District of Columbia, USA

Full-time

Overview GovCIO is currently hiring for Security Control Assessor with a TS/SCI clearance in Washington, DC (4 days onsite, 1 day remote). Responsibilities Provide an assessment of the severity of weaknesses or deficiencies discovered in the information system and its environment of operation and recommend corrective actions to address identified vulnerabilities Prepare the final security assessment report containing the results and findings from the assessment. Prior to initiating the securi

Malware Analyst Reverse Engineer

Allstate Insurance Company

Remote

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Allstate Information Security (AIS) department is resp

Identity and Access?Management (IAM) Engineer

M9 Solutions

Remote

Full-time

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy

Sr Data Scientist - Stores and Properties (applied ML, Simulation)

Target Corporation

Remote or Brooklyn Park, Minnesota, USA

Full-time

The pay range is $95,000.00 - $171,000.00 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life i

Software Engineer

Splunk Inc.

Utah, USA

Full-time

Description Job Summary: As a Senior Software Engineer specializing in malware detonation sandboxes, you will play a pivotal role in Protecting Splunk Attack Analyzer customers from threats. Your responsibilities encompass managing and optimizing a fleet of malware sandbox environments with a strong focus on automation, security, and operational reliability. You will apply your expertise in Python, virtualization, static and dynamic analysis to ensure efficient, scalable and reliable detonation

Security Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Description We are seeking a highly skilled Cyber Security Engineer supporting the NRO cyber operations group or Industrial Control Systems group at each site by working with the Information Security Offices to design, implement, and support defensive security solutions that safeguard mission-critical systems and data. The ideal candidate will have deep expertise in cyber threat research, vulnerability assessment, and secure software development practices. This role focuses on protecting network

Senior Software Engineer - National Remote

UnitedHealth Group

Remote or Schaumburg, Illinois, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best.Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health opt

Virtual Desktop Infrastructure Engineer

Hekima Business Solution

Washington, District of Columbia, USA

Full-time

Job details Hekima is a collaborative network of elite professionals established by IT veterans. Our goal is to bridge the gap between having a good job and a great career by providing opportunities that will help develop and refine the skills of the IT professionals within our network. We are actively seeking a (Virtual Desktop Infrastructure Engineer) who will exemplify Hekima s culture and mission. About the company At Hekima, we are guided by the conviction that the true measure of a comp

Privileged Access Management (PAM) Engineer (Integration & Projects)

3M Company

Remote or Maplewood, Minnesota, USA

Full-time

Job Description: Privileged Access Management (PAM) Analyst Collaborate with Innovative 3Mers Around the World Choosing where to start and grow your career has a major impact on your professional and personal life, so it's equally important you know that the company that you choose to work at, and its leaders, will support and guide you. With a wide variety of people, global locations, technologies and products, 3M is a place where you can collaborate with other curious, creative 3Mers. This

Information Systems Security Engineer II

Leidos

Annapolis, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos currently has an immediate need for an experienced Information Systems Security Engineer (ISSE) II for a strategic High-Performance Computing (HPC) program. The ISSE II will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to mature the HPC capabilities of our customer. Primary Responsibilities: Assists the Government in creating techniques and tools within

Information Systems Security Officer (ISSO3) (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) Provide IT support and solutions developed for National Cryptologic University classified training

FLEX Senior Cloud Data Security Engineer

Marriott International

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. Job Description JOB SUMMARY The position is a part of Marriott International Global Information Security team and will work closely with other technology and business units to secure data in a highly diverse and regulated corporate environment. Position will be responsible for the planning, design, deployment, and management of data security in Cloud IaaS, PaaS and SaaS environments. Enable the organization to store, transmit and process sensitiv

Senior Information Systems Security Officer 15k Sign on Bonus

Leidos

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!

Leidos

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,

Azure Infrastructure Automation Architect (IaC)

TalentFish LLC

Remote

Contract

Job Title: Azure Infrastructure Automation Architect (IaC) Location: Remote USA Position: 6 12 Month Contract Overview TalentFish is casting a line for a Senior Cloud Infrastructure Architect (Azure, IaC, Terraform). This is a remote contract opportunity with our premier client. As an Azure Infrastructure Architect, you will be assisting with the development of a new innovative cloud platform. Experience with Azure, IaC and Terraform is required.Qualified candidates will have demonstrated C

Product Engineer II - National Security

Esri

Vienna, Virginia, USA

Full-time

Overview Join Esri's Tyson R&D Center and help us advance our cutting-edge intelligence National Security System for customers around the globe. We are looking for a skilled product engineer who is passionate about developing customer-driven products to help our customers succeed. You will collaborate with development teams, product engineers, and designers to optimize ArcGIS desktop, server, and web technologies and develop integrated capabilities within a larger system, empowering national de

Senior Cloud Architect, Network

Humana Inc

Remote

Full-time

Become a part of our caring community and help us put health first The Senior Cloud Architect is responsible for the planning, design, and engineering of enterprise-level infrastructure and platforms related to cloud network & cloud computing. The Senior Cloud Architect (Network) provides strategic advice and guidance to functional team(s). Highly skilled with broad, advanced technical experience. The individual in this role will lead Humana network infrastructure implementation for Google Cloud

SAP NS2 Senior Information Security Compliance Specialist

SAP Americas, Inc.

Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and we need your unique talents to help shape what's next. The work is challenging - but it matters. You'll find a place where you can be yourself, prioritize your wellbeing, and truly belong. What's in it for you? Constant learning, skill growth, great benefits, and a team that wants you to grow and succeed

Systems Security Engineer

SAIC

Beltsville, Maryland, USA

Full-time

Job ID: 2508107 Location: BELTSVILLE, MD, US Date Posted: 2025-07-31 Category: Cyber Subcategory: Cybersecurity Ops Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a highly motivated Systems Security Engineer. The successful candidate will provide support to the Cybersecurity Integrity Center in the Department of State Bureau of Diplomatic Technol