Network security Jobs in Washington

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161 - 180 of 1,047 Jobs

Senior Network Engineer

Leidos

•

Odenton, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos has an opening for a senior Network Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD. The successful candidate will have a Network Engineering background responsible for the design, document, test, deployment and maintenance of the IP network solutions within an enterprise environment on a high-paced, fast-moving program. As a Network Engineer, the successful c
Posted 40 days ago | Updated 3 hours ago

Java Developer with AWS

Omega Hires

•

Rockville, Maryland, USA

Contract, Third Party

Job Title: Java Developer with AWS Location: Rockville, MD (Onsite/Hybrid) Overview: We are seeking an experienced AWS Software Developer specialized in Transformation of Monolithic Java/J2EE application(s) to cloud native application(s). This role is crucial for our initiatives to transform, migrate, and modernize our legacy Java/J2EE applications, developed with technologies like Struts, Spring deployed on on-prem Servers into scalable, resilient, and cost-effective cloud-native solutions on
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Posted 8 days ago | Updated 10 hours ago

Cross-Domain Software Developer

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Cross-Domain Software Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and innovative Cross-Domain Software Developer to design, implement, and maintain secure solutions for transferring data across varied security domains. In this role, you will work on cutting-edge technologies to develop software that ensures seamless and secure communication between systems with differing classifi
Posted 60+ days ago | Updated 3 hours ago

Operations Security Engineer - Placement

Apex Systems

•

Joint Base Andrews, Maryland, USA

Full-time

Job#: 2076817 Job Description: Apex Systems is seeking an Operations Security Engineer to support the US Airforce at Joint Base Andrews. If interested, email your resume. #clearance Position: Operations Security Engineer Location: Fully onsite at Joint Base Andrews Hours: M-F, 8 hour shift between 6AM-6PM Compensation: $70-$75/hr Job type: Full-time, long-term contract Certification: Security+ required Primary Responsibilities As the Operations Security Engineer, you will work alongside a de
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Posted 50 days ago | Updated 3 hours ago

Information Systems Security Officer (ISSO)

Modern Technology Solutions

•

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
Posted 60+ days ago | Updated 21 days ago

Sr. Cybersecurity Engineer - Endpoint Security

Visa Inc.

•

Ashburn, Virginia, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 4 days ago | Updated 3 hours ago

Cybersecurity Analyst

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Cybersecurity Analyst LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Cybersecurity Analyst to join our team and help safeguard our systems and data from potential threats. In this role, you will monitor and analyze security events, identify vulnerabilities, and implement measures to protect against cyberattacks. You will work closely with teams across the organization to
Posted 60+ days ago | Updated 3 hours ago

Senior Network Engineer

Leidos

•

Odenton, Maryland, USA

Full-time

Description The Digital Modernization Sector at Leidos has an opening for a senior Network Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD. The successful candidate will have a Network Engineering background responsible for the design, document, test, deployment and maintenance of the IP network solutions within an enterprise environment on a high-paced, fast-moving program. As a Network Engineer, the
Posted 43 days ago | Updated 16 hours ago

Sr. Technical Support Engineer, US Government, Strata

PaloAlto Networks

•

Reston, Virginia, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 3 days ago | Updated 3 hours ago

Systems Engineer

Leidos

•

Fort Meade, Maryland, USA

Full-time

Description *Please note - the candidate hired must live close and be able to commute to one of the listed locations: Ft. Meade, MD or Scott ABF, IL. This is a 75% remote position. * 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 sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people,
Posted 60+ days ago | Updated 16 hours ago

Information Systems Security Manager (ISSM)

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Information Systems Security Manager (ISSM) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an experienced and dedicated **Information Systems Security Manager (ISSM)** to join our team and lead efforts to secure and protect our information systems. In this role, you will be responsible for overseeing the security posture of our organization's systems, ensuring compliance with relevant standards, and
Posted 60+ days ago | Updated 3 hours ago

Cybersecurity Architect

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Cybersecurity Architect LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an innovative and strategic Cybersecurity Architect to lead the design and implementation of our organization's security infrastructure. In this role, you will develop comprehensive security architectures, guide technical teams, and ensure our systems are resilient against evolving cyber threats. The ideal candidate is a forward-
Posted 60+ days ago | Updated 3 hours ago

Senior Software Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Software 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 vesti
Posted 60+ days ago | Updated 3 hours ago

Telephony Analyst

Maximus

•

Maryland, USA

Full-time

General information Job Posting Title Telephony Analyst Date Wednesday, July 16, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking a Telephony Analyst to manage and support internal-use telephony systems for our Homeland Security customer. This role will provide technical leadership for the design, configuration, maintenance, and troubleshooting of enterprise VoIP and telephony infrastructure, with respo
Posted 2 days ago | Updated 21 hours ago

Information Systems Security Engineer (ISSE)

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and skilled **Information Systems Security Engineer (ISSE)** to join our team and play a critical role in ensuring the security and integrity of our information systems. In this role, you will design, implement, and maintain security solutions to safeguard sensitive data and infrastructure. You will c
Posted 60+ days ago | Updated 3 hours ago

Senior System Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0219341 System Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big-picture thi nk ing to make an impact on national security? As a systems engineer on our team, you'll provide networking, fabrication, security, lab, and deployment support by delivering engineering solutions for network configurations, deployment loading of sof tware, and patching and troubleshooting deployed sof tware and hardware on a variety of servers
Posted 60+ days ago | Updated 4 hours ago

Mid Full Stack Software Engineer

Booz Allen Hamilton

•

Maryland, USA

Full-time

Job Number: R0220229 Full Stack Software Engineer, Mid The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to help create a system that will make a difference, we need you on our team. We're looking for a developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding.
Posted 57 days ago | Updated 4 hours ago

Systems Engineer

Leidos

•

Maryland, USA

Full-time

*Please note - the candidate hired must live close and be able to commute to one of the listed locations: Ft. Meade, MD or Scott ABF, IL. This is a 75% remote position. * 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 sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our comm
Posted 60+ days ago | Updated 3 hours ago

Senior Telephony Analyst

Maximus, Inc.

•

Maryland, USA

Full-time

Description & Requirements Maximus is seeking a Senior Telephony Analyst to manage and support internal-use telephony systems for our Homeland Security customer. This role will provide technical leadership for the design, configuration, maintenance, and troubleshooting of enterprise VoIP and telephony infrastructure, with responsibilities that span operating systems, networking, security, and application support. This position is on-site five days a week and requires an active secret security c
Posted 5 days ago | Updated 11 hours ago

Telephony Analyst

Maximus, Inc.

•

Maryland, USA

Full-time

Description & Requirements Maximus is seeking a Telephony Analyst to manage and support internal-use telephony systems for our Homeland Security customer. This role will provide technical leadership for the design, configuration, maintenance, and troubleshooting of enterprise VoIP and telephony infrastructure, with responsibilities that span operating systems, networking, security, and application support. This position is on-site five days a week and requires an active secret security clearanc
Posted 6 days ago | Updated 11 hours ago