Software security Jobs in District of Columbia

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Senior Security Officer

ManTech

Washington, District of Columbia, USA

Full-time

MANTECH seeks a motivated, career and customer-oriented Senior Security Officer (SSO), to join our team based in Washington, DC. As a Senior Security Officer (SSO), this position plays a critical role in supporting the SCIF facilities and industrial security (FSO) and personnel security (PERSEC) program for our customer. Responsibilities include but are not limited to: Serve as the primary SCIF access approver during normal operations (5 days/week) to include providing INDOC and special securit

Information Systems Security Engineer (ISSE)

Cymertek Corporation

Reston, Virginia, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Reston, VA 20190 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

Application Security Engineer

Vaco by Highspring

Remote

Full-time

Application Security Engineer Remote (U.S.-based)Vaco is partnering with a high-growth SaaS company focused on modernizing the customer payments experience across industries. Their platform is built for scale, powering secure, API-driven payment flows that touch millions of users monthly. Following a recent funding round and continued growth, theyre looking to backfill a key AppSec position supporting secure code delivery across a fast-moving engineering org. This role is remote and reports dir

Senior Product Security Engineer (AppSec)

College Board

US

Full-time

Senior Product Security Engineer (AppSec) College Board - Technology Location: This is a fully remote role. Candidates who live near CB offices have the option of being fully remote or hybrid (Tuesday and Wednesday in office). Type: This is a full-time position About the Team The College Board Product Security team is a close knit and enthusiastic group of 8 technologists with a thirst for knowledge in all things security and cloud. We collaborate closely daily to investigate and solve problems

Information Security Risk Assessor

Cyquent, Inc.

Rockville, Maryland, USA

Full-time

Job Title: Location: Rockville MD Duration: Long-Term Onsite position and No remote work Job Description:- Scope of WorkThe Cyber Security Risk Analyst will support Governance, Risk, and Compliance (GRC) efforts by performing detailed risk evaluations and compliance assessments. The analyst will work primarily within the ServiceNow GRC platform to review IT security policy exception requests, assess vulnerabilities, and support broader risk governance activities. Responsibilities include, but ar

Information System Security Engineer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Information System Security Engineer LOCATION Chantilly, VA 20151 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 teams to a

Systems Engineering Lead with TS/SCI clearance (on site Northern Virginia)

Salesforce

Virginia, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Software Engineering Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too - driving you

Data Security Engineer

BOOZ, ALLEN & HAMILTON, INC.

Arlington, Virginia, USA

Full-time

Data Security Engineer Key Role: Architect, deploy, and configure data security solutions across various clients for DoD, IC, and Civilian Federal clients. Create new architectures to meet client requirements adhering to Zero T rus t best practices and IC data header guidelines. Interface with key stakeholders, including agency personnel and internal delivery and engineering teams. Assist in building custom policy to ensure positive control of data across hybrid cloud environments. Basic Quali

Information System Security Officer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Information System Security Officer 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 Information System Security Officer (ISSO) to join our cybersecurity team. In this role, you will be responsible for maintaining the security posture of information systems, ensuring compliance with security policies, and managing risk through the implementation of robust security measures.

Enterprise Security Operations Center (ESOC) at the National (NNSA) Pending Opportunities

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2506240 Location: WASHINGTON, DC, US Date Posted: 2025-05-30 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: DOE Q Potential for Remote Work: No Description SAIC is seeking incumbent and external talent to support the Enterprise Security Operations Center (ESOC) at the National Nuclear Security Administration (NNSA). These positions will provide services to

Cloud Infrastructure Engineering Lead

Accenture LLP

Suitland-Silver Hill, 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

Information Security Lead

AAJ Interactive Technologies

Reston, Virginia, USA

Full-time

Information Security Lead (Senior Manager, Information Security) Overview Our client has a global footprint delivering increasingly digital services to graduate program candidates and schools/universities around the world. They are a mission-driven organization, with a vision to be the global leader in ensuring every talented person can benefit from the best education for them. The organization s priority is to heighten its impact in promoting graduate education and attracting a qualified and di

Information Systems Security Engineer (ISSE)

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Chantilly, VA 20151 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 wil

Cybersecurity Strategy, Risk, and Resilience Security Strategy Solutions Architect

TikTok

Washington, District of Columbia, USA

Full-time

Location : Washington D.C. Employment Type : Regular Job Code : A79489B Apply to this job Share this listing: Responsibilities The mission of TikTok's Global Security Organization is to build and earn trust by reducing risk and securing our businesses and products. Also known as "GSO", this team is the foundation of our efforts to keep TikTok safe, secure, and operating at scale for over 1 billion people around the world. We work to ensure that the TikTok platform is safe and secure, that

Senior Information System Security Officer - Top Secret with SCI REQUIRED - On Site Only

Akima, LLC

Alexandria, Virginia, USA

Full-time

ADM is looking for a Principal Information Assurance Subject Matter Expert - RMF Admin to work in Alexandria, VA. To join our team of outstanding professionals, apply today! Responsibilities Collaborate with security architects and engineers to design, implement, and maintain secure system architectures.Conduct risk assessments and provide guidance on security control selection and implementation based on NIST guidelines.Work with stakeholders to integrate security engineering best practices i

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

Cloud Security Architect

Mindlance

Washington, District of Columbia, USA

Third Party, Contract

Position Summary: Job Title: Architect Premium Sr. Security Architect Location: Washington, DC 20433 Duration: 12 Months Long Term Contract Position Summary: We are seeking a highly experienced Security Architect with strong hands-on expertise in Azure Cloud Security, AI/ML technologies, and DevSecOps practices. This role will lead enterprise-level security strategy and architecture initiatives, with a focus on cloud-native applications, infrastructure as code(IaC), and AI/ML integrations. Key

Senior Information Security Analyst

DLA Piper

Washington, District of Columbia, USA

Full-time

DLA Piper is, at its core, bold, exceptional, collaborative and supportive. Our people are the backbone, heart and soul of our firm. Wherever you are in your professional journey, DLA Piper is a place you can engage in meaningful work and grow your career. Let s see what we can achieve. Together. Summary The Senior Information Security Analyst is responsible for identifying, investigating, and addressing both internal and external threats. This position requires a deep understanding of variou

Information System Security Officer - Mid

Jacobs

Washington, District of Columbia, USA

Full-time

As a Top Secret cleared Information Systems Security Officer you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for technical information assurance engineering efforts with network/server scanning, patching, mitigation, and compliance cross-checking o

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