Network Security Engineer Jobs in District of Columbia

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Lead, Chief SATCOM Systems Engineer (Security Clearance Required)

Harris Corporation

Dulles, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

DevSecOps Engineer - Security Clearance Required

Maximus

Maryland, USA

Full-time

General information Job Posting Title DevSecOps Engineer Date Thursday, June 5, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking aDevSecOps Engineerto provide expertise to a federal client in support of their mission critical systems in defense of our Homeland.? As a key member of our team, theDevSecOps Engineerwill play a pivotal role in integrating security practices into the software development lifecycle and ensu

Application Security Engineer

Booz Allen Hamilton

Fort Meade, Maryland, USA

Full-time

Job Number: R0221892 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

Information Security Engineer

Zachary Piper Solutions, LLC

Columbia, Maryland, USA

Full-time

Piper Companies is looking for an Information Security Engineer to join healthcare organization. This is based in Columbia, MD with 2 remote days per week. Essential Duties of theInformation Security Engineer: Performs security functions including IAM, vulnerability scanning, light pen testing, daily review of security reports and security systems.Oversee and lead the implementation of security solutions; develop technical and reference architectures throughout the project duration.Monitor info

Information Systems Security Engineer (ISSE)

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team and play a critical role in ensuring the security and resilience of our systems and infrastructure. In this role, you will be responsible for designing, implementing, and managing security measures to protect

Sr. AV and Security Applications Engineer - Placement

Apex Systems

Oxon Hill, Maryland, USA

Full-time

Job#: 2071401 Job Description: Senior AV and Security Applications Engineer Apex Systems is seeking an experienced AV and Security Applications Engineer for one of our large GovCon clients. The ideal candidate will have expertise in Cloud Access Security Broker (CASB) solutions, Trellix products, and the Analyst1 threat intelligence platform. The Senior AV and Security Applications Engineer should feel comfortable optimizing and managing CASB, Trellix, and Analyst1 tool implementations while co

Information System Security Engineer (ISSE) Senior Level(Government)

AT&T Inc.

Chantilly, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. 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 cus

Network Engineer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Network Engineer LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Engineer to join our team and play a key role in designing, implementing, and maintaining our network infrastructure. In this role, you will ensure the reliability, security, and scalability of our network systems, troubleshoot issues, and optimize performance to meet the needs of a dynamic and gr

Information System Security Engineer 2

Realm One

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 3

Realm One

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

A/V & Security Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Job Description We are seeking a highly organized and detail-oriented A/V Security Engineer who is responsible for the operation, configuration, and maintenance of advanced video systems used in secured environments. This role ensures high-quality video signal integrity, optimal display performance, and the reliability of video infrastructure across conferencing, streaming, and surveillance systems. The ideal candidate is technically adept, detail-oriented, and experienced in leading AV operati

Information System Security Engineer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Information System Security Engineer LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Information System Security Engineer to join our cybersecurity team. In this role, you will design, implement, and maintain security solutions to protect critical information systems and ensure compliance with established security standards. You will collaborate with cross-functional t

Sr Specialist, Circuit Design Electrical Engineer - Unmanned Systems (Secret Security Clearance)

Harris Corporation

Ashburn, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Associate Security Specialist Engineer

T-Mobile

Herndon, Virginia, USA

Full-time

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! Job Overview The Solutions Engineer (SE) partners with

Information Systems Security Engineer

Nightwing

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliab

Information Systems Security Engineer

Base-2 Solutions, LLC

Fort Meade, Maryland, USA

Full-time

Job Description: Base-2 Solutions is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team. Our ISSEs play a critical role in safeguarding cutting-edge systems that support national defense and mission-critical operations. We are looking for security professionals who bring expertise in system security design, risk management, and cybersecurity frameworks, as well as strong leadership qualities and an eagerness to tackle complex challenges. Our ide

Application Security Engineer || Rockville, MD Hybrid:: W2

1 Point System

Rockville, Maryland, USA

Contract

Title: Application Security Engineer Location: Rockville, MD Hybrid Duration: 12 months Job Responsibilities: Perform security assessments and manual penetration testing using tools such as Burp Suite and other proxy tools.Triage static (SAST), dynamic (DAST), interactive (IAST) analysis results to identify, prioritize and remediate security vulnerabilities.Integrate security practices into C/CD pipeline to support DevSecOps initiative.Maintain documentation of security findings, remediation pla

Senior Splunk Information Security Engineer

Motion Recruitment Partners, LLC

Herndon, Virginia, USA

Full-time

One of our clients, a multinational software corporation operating in the national security space, is seeking their next Senior Splunk Engineer! Key Responsibilities: Install, configure, and maintain Splunk infrastructure (forwarders, indexers, search heads) Perform upgrades and patching to ensure security and stability Monitor performance and resolve issues impacting system functionality Integrate Splunk with other platforms across IT and security environments Develop and maintain documentatio

Information System Security Engineer (ISSE)

Parsons Services Company

Chantilly, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a sharp and talented Information Systems Security Engineer (I