Information Systems Security Engineer Jobs in Washington

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821 - 840 of 3,663 Jobs

Cross-Domain Software Developer

Cymertek Corporation

•

Annapolis, Maryland, USA

Full-time

Cross-Domain Software Developer 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 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 differ
Posted 60+ days ago | Updated moments ago

Service Desk Manager

SAIC

•

Adelphi, Maryland, USA

Full-time

Job ID: 2507414 Location: ADELPHI, MD, US Date Posted: 2025-07-09 Category: Information Technology Subcategory: Technical Svcs Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Service Desk Manager to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of Enterp
Posted 23 days ago | Updated 10 hours ago

Software Engineer Technical Leader - Security, Detection Lifecycle

Splunk Inc.

•

Colorado, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 57 days ago | Updated moments ago

Data Analyst

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Data Analysis Job Qualifications: Skills: Analytical Thinking, Data Analytics, Data Evaluation Certifications: None Experience: 4 + years of related experience ship Required: No Job Description: The Data Analyst will assist with the collection, management, analysis, and quality review of programmatic data to assess progr
Posted 6 days ago | Updated moments ago

ServiceNow/SharePoint SME- Top Secret/SCI - Arlington, VA

General Dynamics Information Technology

•

Arlington, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Microsoft SharePoint Server, Scripting, ServiceNow Platform, SQL Databases, Workflow Management Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a ServiceN
Posted 49 days ago | Updated 21 hours ago

Senior DevSecOps Engineer

SAIC

•

Arlington, Virginia, USA

Full-time

Job ID: 2506432 Location: ARLINGTON, VA, US Date Posted: 2025-06-06 Category: Software Subcategory: DevSecOps Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Interim Top Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description SAIC is seeking an experienced DevSecOps Engineer in Arlington, VA to support our United States Air Force customer in both development and engineering practice, and site rel
Posted 56 days ago | Updated 10 hours ago

System Engineer

Leidos

•

Odenton, Maryland, USA

Full-time

Description Leidos is seeking a Systems Engineer to support and maintain the development lab environment of a high-profile DOD contract. We are currently seeking a skilled and self-driven Linux System Engineer to complement our team and take ownership of a dynamic, multi-platform lab environment designed to support developers and system architects. In this role, you will be responsible for configuring, maintaining, and optimizing critical systems that enable innovation and rapid prototyping. Pr
Posted 1 day ago | Updated 5 hours ago

Journeyman Systems Engineer

GovCIO

•

Sterling, Virginia, USA

Full-time

Overview GovCIO is currently hiring for a Journeyman Systems Engineer with an active Secret clearance to provide system/software engineering. This position will be located in Sterling, Virginia and will be a hybrid position. Responsibilities Provide system/software engineering to include requirements derivation, requirements analysis, hardware configuration, metrics analysis, and integration and test environments.Manage and maintain configuration and operation of computer systems and servers.
Posted 60+ days ago | Updated 9 hours ago

Senior DevOps Engineer

Booz Allen Hamilton

•

Woodbridge, Virginia, USA

Full-time

Job Number: R0222451 DevOps Engineer, Senior The Opportunity: Today's dynamic technology landscape demands constant and rapid innovation. To facilitate this transformation, we must ensure continuous integration and application development. That's why we need you, an experienced DevOps engineer who's eager to design, test, and program critical applications for our clients who need them most. As a Sof tware Factory DevOps Engineer on our team, you'll pipeline our sof tware development from requi
Posted 18 days ago | Updated 1 hour ago

Insider Threat Program Engineering Manager

Leidos

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Washington, District of Columbia, USA

Full-time

Description The Digital Modernization Sector at Leidos currently has an opening for an Engineering Manager supporting the HEITS Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP). This is an exciting opportunity to use your experience to manage a team of engineers and architects to support the sustainment, development, and advancement of the ITP cybersecurity infrastructure baseline. The ITP mission is to identify insider threats to the department by utili
Posted 46 days ago | Updated 14 hours ago

Network Designer III (Government)

AT&T Inc.

•

Sterling, 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
Posted 39 days ago | Updated moments ago

Senior Systems Engineer

GovCIO

•

Sterling, Virginia, USA

Full-time

Overview GovCIO is currently hiring for a Senior Systems Engineer with an active Secret clearance to provide full life cycle system/software engineering. This position will be located in Sterling, Virginia and is a fully remote position. Responsibilities Provide full life cycle system/software engineering to include requirements derivation, requirements analysis, hardware knowledge, metrics creation and analysis, systems architecture, and experience with integration and test environments.Mana
Posted 60+ days ago | Updated 9 hours ago

FPGA Hardware Engineer

Leidos

•

Linthicum Heights, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a FPGA Hardware Designer Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Active TS/SCI with a polygraph is required. 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
Posted 4 days ago | Updated 4 hours ago

Junior Systems Administrator

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0223302 Systems Administrator, Junior The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Air Force? We're looking for a Systems Administrator with a solid background in Windows systems administration and applying systems management tools to help us operate and maintain a key coalition test and training environment. As
Posted 4 days ago | Updated 1 hour ago

Senior Windows Server Systems Administrator

Leidos

•

Bethesda, Maryland, USA

Full-time

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 practices. 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. Employees enjoy career enrichment opportunities available through mobility and development an
Posted 6 days ago | Updated moments ago

Computer Network Defense Analyst

Realm One

•

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 60+ days ago | Updated moments ago

Network Engineer SME

TEKsystems c/o Allegis Group

•

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Network Engineer/Architect with subject matter expertise to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The
Posted 3 days ago | Updated 9 hours ago

Cloud Developer Mid

Jacobs

•

Washington, District of Columbia, USA

Full-time

Amentum is searching for a Top-Secret cleared Cloud Developer (Mid) to join our team in Washington, DC. You will be working in an organization that's mission is to accelerate operations through data and new analytical insights. The entire section leverages agile and works to provide enhanced reporting and global searching capabilities to facilitate task management, cross-utilization, and address national intelligence priorities while protecting confidential data and sources. The Cloud Developer
Posted 60+ days ago | Updated moments ago

Cybersecurity Firewall Engineer

Navy Federal Credit Union

•

Vienna, Virginia, USA

Full-time

Overview This position is for a Senior Network Security Engineer with a concentration on Nextgen Firewalls technologies (Palo Alto and Checkpoint). The right candidate will be a self-starter who can serve in a technical lead role, provide technical project management/oversight, and provide hands-on support at an SME level within areas of focus. Responsibilities Serve as a senior engineer working with application teams to properly shape firewall rules. Act as a liaison between the firewall team a
Posted 11 days ago | Updated 11 hours ago

ServiceNow/SharePoint SME- Top Secret/SCI - Arlington, VA

General Dynamics Information Technology

•

Arlington, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Microsoft SharePoint Server, Scripting, ServiceNow Platform, SQL Databases, Workflow Management Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a ServiceNo
Posted 49 days ago | Updated 8 hours ago