4,141 Results for

Developer Jobs in Newtown Square, PA

Jobs

Senior Identity Security Engineer (Arlington, VA or San Diego, CA) CoStar Group Inc

Arlington, VA

$133,000–$203,000 / year

Ideal candidates will have a thorough understanding of adversary in the middle attacks, social engineering attacks, and offensive privilege escalation techniques, and have experience implementing or operating controls to prevent such attacks. Research, prototype, and operationalize AI-assisted tooling and agentic workflows to improve team efficiency, including automating repetitive analysis and building internal tools that surface identity risk.

30+ days ago

Principal AI Security Specialist - Federal Zscaler Inc

McLean, VA

Remote

$175,875–$251,250 / year

10+ Years of Solutions Engineering Mastery: A proven track record in a customer-facing technical role (Sales Engineering, Solutions Architecture, or Technical Advisory) navigating complex, enterprise-level sales cycles. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

30+ days ago

Senior Cyber Security Security Engineer - Comply-to-Connect (C2C) CACI International Inc

Chantilly, VA

$103,800–$218,100 / year

Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. This role centers on engineering and sustaining Comply‑to‑Connect (C2C) capabilities that protect critical enterprise systems, enhance visibility, and enable mission-focused decision making.

30+ days ago

Unarmed Officer, Safety & Security Iron Mountain Inc

Manassas, VA

Iron Mountain helps lower cost and risk, comply with regulations, recover from disaster, and enable digital and sustainable solutions, whether in information management, digital transformation, secure storage and destruction, data center operations, cloud services, or art storage and logistics. Iron Mountain's Data Centers operate a global colocation platform that enables customers to build tailored, sustainable, carrier and cloud-neutral data solutions from single cabinets to wholesale data centers in 19 locations on three continents.

30+ days ago

Cyber Security Specialist IV VTG

Herndon, Virginia

Full time

Generate and maintain the complete security Body of Evidence (BoE) while leading the A&A activities according to the Risk Management Framework (RMF) processes (ICD 503, CNSSI-1253, NIST 800-37, NIST 800-53, etc.) for all multiple information systems. Overview: Byte Systems, a subsidiary of VTG, is seeking a seasoned Information Systems Security Engineer (ISSE) to join our diverse Information Assurance team supporting the Intelligence Community at our Herndon, VA office.

30+ days ago

Collateral Security Manager Torch Technologies Inc

$125,000–$155,000 / year

JIATF 401 serves as a focal point for the Department of War to synchronize and integrate C-sUAS efforts for all federal C-sUAS stakeholders (Office of the Secretary of War, Joint Staff, Services and Inter-Agency). Several factors can influence the salary for a position including but not limited to, Federal Government contract labor categories and contract wage rates, geographic location, business considerations, scope and responsibilities of the position, local or other applicable market conditions, and internal equity.

3 days ago

Sr. Information Systems Specialist Expert In Recruitment Solutions

Washington, DC

Quick Apply

Provide a senior engineer to deliver database server administration for the Board's on-premises SQL Server and PostgreSQL environments as automated, FISMA-compliant code — supporting the PostgreSQL ATO, cloud-readiness, and platform modernization. Tasks Design and implement CI/CD pipelines in GitLab for database server and instance builds, version upgrades, patching, cumulative updates, and configuration changes across SQL Server and PostgreSQL server enterprise service offerings.

30+ days ago

Senior Research Scientist Cyber Network Security Peraton Inc

College Park, MD

$176,000–$282,000 / year

Within this role you will work in a dynamic R&D environment, collaborate directly with government leadership and technical stakeholders, and help shape next-generation research efforts in cyber network defense, secure networking, experimentation platforms, and emerging network technologies. Minimum of 12+ years of experience with a Bachelor's degree, 10+ years of experience with a Master's degree, or 8+ years of experience with a PhD in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related technical field.

7 days ago

Cyber Security Analyst Quadrant, Inc.

Triangle, VA

Quick Apply

Perform routine vulnerability scans using tools like ACAS (Tenable) or HBSS/McAfee; track, triage, and remediate findings to reduce organizational risk. Utilize tools such as STIGMan, LanSweeper, SCAP, and SIEM platforms to support incident response, configuration management, and daily security posture assessments.

3 days ago

FIPS Security Specialist SPS Consulting, LLC

Leesburg, VA

Job Description: As a FIPS Security Specialist, you'll engage with customers as a technical point of contact, offering validation consultancy and guidance on the suitability of evidence for validation. Meets IAT Level I position requirements per DoD 8570.01-M, holding at least one of the following certifications: GISF, GSLC, Security +, or equivalent.

30+ days ago

CD 705 / Construction Security / TEMPEST Subject Matter Expert Agile Business Concepts, LLC

Reston, VA

Preferred Qualifications: 10+ years of experience supporting DoD, Intelligence Community, or classified facility programs; strong knowledge of ICD 705 and associated technical specifications; direct SCIF/SAPF construction and accreditation experience; and prior experience as an SSM, security engineer, construction security specialist, CTTA/TEMPEST professional, or ICD 705 SME . Agile is seeking an experienced ICD 705, Construction Security, and TEMPEST Subject Matter Expert (SME) to provide technical expertise, training, and guidance supporting the design, construction, accreditation, and protection of classified facilities, including SCIFs and SAPFs.

30+ days ago

Program Security Representative III (PSR III) (TS, w/ SCI Eligibility) RedTrace Technologies Inc

Arlington, VA

Full time

Conduct exploration of any loss, compromise, or suspected compromise of classified and/or sensitive information, including conducting preliminary inquiries and generating damage assessments resulting from the loss of classified information. Assist in developing and executing approved policies and procedures for safeguarding Special Access Program (SAP), Sensitive Compartmented Information (SCI) and collateral data in support of US military operations.

3 days ago

Security Engineer Chickasaw Nation Industries, Inc.

Bethesda, MD

$100,000–$120,000 / year

CNI seeking an Endpoint Security Baseline Engineer to support the engineering, implementation, and operational management of enterprise endpoint security configurations across Microsoft Intune, Microsoft Endpoint Configuration Manager (MECM), and Jamf Pro environments. Chickasaw Nation Industries, Inc. serves as a holding company with multiple subsidiaries engaged in several lines of business (Business Services, Health, Infrastructure and Engineering, Mission Optimization, Technology and Transportation) for the federal government and commercial enterprises.

30+ days ago

Cyber Security Engineer (IDaaS) - U.S. Citizenship Required CGI Inc

Fairfax, VA

However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

8 days ago

Security Operations Analyst ANDURIL INDUSTRIES

Washington, DC

$129,000–$171,000 / year

Proactively collaborate with a wide range of stakeholders, guiding detection and response maturity of key worlds, leading incidents and large-scale data baselines, and being responsible with mentoring and guiding junior analysts. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process.

11 days ago

Security Software Engineer, Endpoint Security ANDURIL INDUSTRIES

Washington, DC

$166,000–$220,000 / year

To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.

13 days ago

Cyber Security Engineering Specialist IV/ Firewall Engineer CACI International Inc

Springfield, VA

$103,800–$218,100 / year

The Opportunity: Team CACI on our TCS Program has an exciting and challenging opportunity available for a Network Security Engineer supporting an Intelligence Community customer's wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

30+ days ago

Networking Security Engineer II CACI

Columbia, Maryland

Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Bachelor’s degree in Communications Engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related disciple from an accredited college or university is required.

30+ days ago

Cyber Security Analyst CACI International Inc

Chantilly, VA

$113,200–$237,800 / year

The Opportunity: CACI is seeking a Security Analyst to conduct technical analysis to drive operations, including but not limited to: technical development, work with various partners, network analysis to understand target networks, developing network maps, profiling network security posture and technical overwatch. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

30+ days ago

Security Specialist - General AMERICAN SYSTEMS

Arlington, Virginia

Full time

Apply sound judgment across multiple disciplines, the Security Specialist General helps maintain secure operations, addresses gaps before they affect mission performance, and ensures that facilities, personnel, information, and activities receive coordinated protection under applicable Government requirements. Qualifications: Master’s degree from an accredited college or university in a relevant discipline and 10 years of directly relevant experience; or a bachelor’s degree in a relevant discipline plus 14 years of directly related work experience.

30+ days ago

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Developer Jobs in Newtown Square, PA

Senior Identity Security Engineer (Arlington, VA or San Diego, CA) CoStar Group Inc

Principal AI Security Specialist - Federal Zscaler Inc

Senior Cyber Security Security Engineer - Comply-to-Connect (C2C) CACI International Inc

Unarmed Officer, Safety & Security Iron Mountain Inc

Cyber Security Specialist IV VTG

Collateral Security Manager Torch Technologies Inc

Sr. Information Systems Specialist Expert In Recruitment Solutions

Senior Research Scientist Cyber Network Security Peraton Inc

Cyber Security Analyst Quadrant, Inc.

FIPS Security Specialist SPS Consulting, LLC

CD 705 / Construction Security / TEMPEST Subject Matter Expert Agile Business Concepts, LLC

Program Security Representative III (PSR III) (TS, w/ SCI Eligibility) RedTrace Technologies Inc

Security Engineer Chickasaw Nation Industries, Inc.

Cyber Security Engineer (IDaaS) - U.S. Citizenship Required CGI Inc

Security Operations Analyst ANDURIL INDUSTRIES

Security Software Engineer, Endpoint Security ANDURIL INDUSTRIES

Cyber Security Engineering Specialist IV/ Firewall Engineer CACI International Inc

Networking Security Engineer II CACI

Cyber Security Analyst CACI International Inc

Security Specialist - General AMERICAN SYSTEMS

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