April 30, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Philadelphia, PA30+ days ago
This role will take ownership of day-to-day Azure infrastructure operations while driving improvements, supporting new projects, and making sound architectural decisions. Trigyn has a long-term contract opportunity for Senior Azure Cloud Engineer with our direct client - a major utility services firm based in Philadelphia, Pennsylvania.
Philadelphia, PA30+ days ago
Core Experience: • Hands-on experience deploying open-source LLMs such as Meta Llama 3 and Mistral / Mixtral in on-prem or private environments. Vector Databases & RAG: • Practical experience with open-source vector databases such as Qdrant, Chroma, Milvus, or Pgvector.
Philadelphia, PA2 days ago
p>• Collaborate with Technical Program Managers, Product Managers, and Go-To-Market teams in order to implement, verify, and iterate on the issues & requests coming from our customers. The team’s goal is to automate security analysts workflows by providing them with reliable, intuitive, and delightful agentic products that give them back time in their day.
ul>Expert-level experience with Palo Alto Networks NGFW platforms, especially PA-5200 / PA-5400 / PA-7500 series firewalls. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Philadelphia, PA2 days ago
p>• Design and implement core components of the SMTP relay harness, including Mail Transfer Agent (MTA) infrastructure, scalability, IP management, encryption, and DMARC support, working from conception through production operation. • Contribute to technical design discussions on how the relay integrates with existing inline products (outbound DLP, behavioral outbound, misdirected email), helping define the architecture of the broader Mail Flow platform.
Philadelphia, PA2 days ago
This role focuses on building and operating scalable, high-quality data infrastructure that powers agentic AI systems, including LLM-based agents, multi-agent workflows, and tool-using AI systems. • Architect and build scalable, secure, and observable data infrastructure to power LLM-based agents, multi-agent systems, and tool-using AI workflows.
Philadelphia, PA2 days ago
As a Software Engineer focused on building systems for Detection’s Model Platform, you will be responsible for making feature development at Abnormal a fast, responsive, stable, and confident experience for our ML and Data Science team. The Detection Division is focused on building the world’s most advanced technology for identifying and stopping email and cloud-based attacks that were previously undetectable and help make the world a safer place.
Qualifications: · A Bachelor’s Degree in an engineering discipline, Master’s degree highly desired · At least 6 years’ experience in Systems Engineering of Information Assurance systems/products · Active US Government security clearance (DOD SECRET minimum) · US Citizenship required · Excellent verbal and written communications skills; works with others to coordinate efforts, influence and resolve cross-team issues and effectively communicate changes. o Exceptional security architecture development skills; specifically including the ability to make complex design trade-offs affecting system security o Experience negotiating security requirements with NSA Technical Evaluators.
Wilmington, DE30+ days ago
The ideal candidate will have strong experience in enterprise-scale software engineering, Agile delivery, and modern DevOps practices and a proven ability to coach teams, drive engineering excellence, and deliver resilient, secure applications. With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.
li>Build and administer core network and systems security controls, including: Next Gen firewalls, ZTNA - Zero Trust Network Architecture, intrusion detection and prevention, anti-malware, application whitelisting, host intrusion prevention, endpoint detection and response (EDR), vulnerability scanners, content monitoring/filtering, and security monitoring (SIEM). This role is responsible for managing the controls that protect the organization''s computer networks, systems, and data from cyberattacks, working closely with IT teams to identify, assess, and mitigate security risks, and supporting incident response to contain the damage from security incidents and prevent future attacks.
Wilmington, Delaware30+ days ago
li style="margin-left:0.5in">5 years experience in security systems, including firewalls, intrusion detection systems, endpoint protection systems, web application firewalls, vulnerability scanning software, privilege access management, data loss protection, log management, content filtering. Develop and engineer technical security solutions to mitigate risk and improve operational efficiency, with a strong focus on:- Privileged Access Management (vaulting, session management, just‑in‑time access, secrets management).
Wilmington, DE30+ days ago
p>To be considered for this role, you must have: • 5 years of experience as a Cloud Security Engineer, Information Security Engineer, or Devsecops Engineer • 5 years of experience with network, cloud, and computer system security, including security mechanisms such as user access controls, role-based access control, SSO, file permissions, firewall policies, and audit logs • 5 years of experience in security systems, including firewalls, intrusion detection systems, endpoint protection systems, web application firewalls, vulnerability scanning software, privilege access management, data loss protection, log management, content filtering • 5 years of experience in developing and deploying security solutions to defend against advanced cyber threats • 5 years of experience in reviewing and monitoring security systems to ensure they are functioning properly and securely • Bachelor's degree in Computer Science, Information Security, Information Technology, or related discipline • CISSP, CISM, Azure Security Engineer, or similar. (10%) • Develop and engineer technical security solutions to mitigate risk and improve operational efficiency, with a strong focus on: Privileged Access Management (vaulting, session management, just-in-time access, secrets management) Cloud security controls for IaaS, PaaS, and SaaS environments Automation of repeatable security tasks using scripting, orchestration, and Infrastructure as Code (15%) • Collaborate closely with IT and Information Security teams (infrastructure, cloud, application, and DevOps) to ensure security controls are consistently implemented across systems, applications, data, and cloud platforms.
King of Prussia, Pennsylvania30+ days ago
You will collaborate with software developers, systems engineers, and government stakeholders to navigate the Risk Management Framework (RMF) lifecycle and maintain the Authority to Operate (ATO) for complex cloud and on-premise environments. - RMF & ATO Management: Lead the end-to-end Risk Management Framework (RMF) process, managing NIST 800-53/171 control sets and coordinating with cybersecurity entities (SCA/DAO) to secure and maintain Authority to Operate (ATO).
Philadelphia, PA14 days ago
li>Provide analysis of cybersecurity requirements and potential design solutions, providing guidance and direction related to security technologies, performing analysis on cybersecurity collected data and test results, identifying and implementing cybersecurity design, and preparing and maintaining engineering and security related documentation in support of lab functions supporting Situational Awareness systems. Document, implement and prioritize patching requirements across applicable system components, provide support for the development and testing of patches to fix vulnerabilities in Windows, Red Hat Enterprise Linux (RHEL) operating systems and associated applications, provide assistance in conducting cybersecurity audits to ensure appropriate implementation and compliance of the security posture.
Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web. California (excludes SF Bay Area), Colorado, Connecticut, Illinois, Washington DC Metro, Maryland, Massachusetts, New Jersey, Texas, Washington, Virginia, and Alaska: Base Pay Range: 75,000.00 - 110,000.00 USD.
Philadelphia, PA30+ days ago
p>Responsibilities: - RMF & ATO Management: Lead the end-to-end Risk Management Framework (RMF) process, managing NIST 800-53/171 control sets and coordinating with cybersecurity entities (SCA/DAO) to secure and maintain Authority to Operate (ATO). You will collaborate with software developers, systems engineers, and government stakeholders to navigate the Risk Management Framework (RMF) lifecycle and maintain the Authority to Operate (ATO) for complex cloud and on-premise environments.
Philadelphia, PA7 days ago
In this role, you will support cybersecurity compliance, system security engineering, risk management framework activities, and technical documentation efforts for mission critical Department of Defense systems. This position is ideal for a cybersecurity professional with experience supporting DOD environments and a strong understanding of security compliance and system accreditation processes.
This role will have functional knowledge in the areas of threat detection/prevention, endpoint detection and response (EDR), host intrusion prevention, data loss prevention, application allowlisting, sandboxing, Security Information and Event Management (SIEM), Security Orchestration, Automation and Response (SOAR), Secure Email Gateway (SEG), and cloud services. Maintain external networks consisting of industry peers, vendors and other relevant parties to address common trends, findings, threats, and cybersecurity risks.
Philadelphia, PA15 days ago
p>Veterans First Commitment: As a Service-Disabled Veteran-Owned Small Business (SDVOSB), NDi is dedicated to hiring veterans and providing a supportive work environment that honors their service while recognizing the unique skills and experiences they bring to our organization. The role involves executing comprehensive security processes encompassing Risk Management Framework (RMF) and ensuring compliance across various networks.
Philadelphia, Pennsylvania30+ days ago
The successful candidates will have experience coordinating and enacting required security changes, with in various levels of an organization, ensuring compliance with published policies; conducting cybersecurity vulnerability and threat analysis; and support cyber incident-response by isolating potentially effected assets, initial investigation and data collection, through status updates/reporting. Lead cyber-incident-response efforts, including isolating affected systems, conducting initial investigations, collecting relevant data, and providing status updates and reports to leadership.
Philadelphia, Pennsylvania20 days ago
Diligent Consulting is seeking Information Systems Security Engineers (ISSE III) to provide advanced cybersecurity and Risk Management Framework (RMF) engineering services to the Naval Surface Warfare Center, Philadelphia Division (NSWCPD). This isn’t a checkbox compliance role—we need engineers who architect secure solutions, shape cyber strategy, and turn NIST controls into operational strength.
Philadelphia, Pennsylvania20 days ago
li style="margin-bottom:11px">Knowledge & Skills:- Proven experience implementing the DoD Risk Management Framework (RMF) for IT systems, including RMF Step 1–6 activities, eMASS, and supporting A&A.
- Experience: Minimum of 7 years’ experience in information system security, cybersecurity engineering, or IA roles, including demonstrated experience with systems of similar complexity and sensitivity as those described in the SOW.
Philadelphia, Pennsylvania30 days ago
Qualifications: Education: Bachelor’s degree in Computer science, Information Technology, or an equivalent technical degree from an accredited college or university. . Shall provide cybersecurity support for the Code 104 Information Technology Operations Division in the area of Information System Security Engineer (ISSE) support.
Philadelphia, PA28 days ago
Develop program technical publications such as Systems Engineering Plans (SEP), Technical Plans, Analyses and Reports, Risk Assessments, Security Concepts of Operations (SECONOP), Program Protection Plan, Anti-Tamper Plan, Cybersecurity Strategy, Technology Development Strategies, Test Plans, procedures and reports, System Security Plans. Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws.
Learn more about Publicis Re:Sources and the Publicis Groupe agencies we support at http://www.publicisresources.com. Experience with forensics tools such as FTK, EnCase, Autopsy to collect and analyze file system artifacts, process history, application artifacts, memory collection and analysis for physical and cloud systems (Windows, Mac, Linux).
Philadelphia, PA30+ days ago
Essential Duties & Responsibilities: Lead a team of System Security Engineers and Certification and Accreditation Analysts responsible for ensuring the customers national and international security interests are protected as support equipment are designed and tested Perform oversight of the development, implementation and evaluation of information system security program policy; special emphasis placed upon integration of existing SAP network infrastructures Perform analysis of network security, based upon the Risk Management Framework (RMF) with emphasize on Joint Special Access Program Implementation Guide (JSIG) authorization process Provides expert support, research and analysis of exceptionally complex problems, and processes relating to them Provides expert level consultation and technical services on all aspects of Information Security Serves as technical expert to the Cybersecurity Assessment Program providing technical direction, interpretation and alternatives to complex problems Builds IA into systems deployed to operational environments Assists architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of DoD and other agencies security policy and enterprise solutions Enforce the design and implementation of trusted relations among external systems and architectures. SE Linux extensions to RHEL, PitBull, AppArmor, and Sentris), video teleconferencing/VOIP, Oracle/MS SQL database security, and Apache/IIS Web server security Ability to work in a dynamic environment and effectively interact with numerous DOD, military/civilian personnel and industry partners Working knowledge of Microsoft Office (Word, PowerPoint, and Excel) Possess a high degree of originality, creativity, initiative requiring minimal supervision Must be familiar with security policy/manuals and the appropriate DCIDs/JAFANs and other guiding policy documents * Requires travel within the organizational geographic Area of Responsibility (AOR) (note - could be extensive, and will include both air and ground transportation) Physical Requirements: This position requires employees to be willing and able to: sit, bend, reach, stoop, squat, stand, and walk.
Philadelphia, PA5 days ago
p>Red Peak Technical Services, LLC a subsidiary of Alutiiq, LLC is looking for an experienced Information Systems Security Manager to support a mission critical contract at the Naval Surface Warfare Center Philadelphia Division (NSWCPD.) This role offers the opportunity to lead cybersecurity efforts for Department of Defense information systems while working alongside government and industry professionals dedicated to national security.
Philadelphia, PA30+ days ago
Jefferson is more than 65,000 people strong, dedicated to providing the highest-quality, compassionate clinical care for patients; making our communities healthier and stronger; preparing tomorrow's professional leaders for 21st-century careers; and creating new knowledge through basic/programmatic, clinical and applied research. Thomas Jefferson University, home of Sidney Kimmel Medical College, Jefferson College of Nursing, and the Kanbar College of Design, Engineering and Commerce, dates back to 1824 and today comprises 10 colleges and three schools offering 200+ undergraduate and graduate programs to more than 8,300 students.
This position is responsible for engineering the Barracuda XDR SOAR platform, conducting R&D efforts on forward facing technologies, and executing offensive security operations efforts through the attack/defend lifecycle to test and validate effectiveness of in-place detections. Purple Team members draw from hands-on experience in both offensive and defensive security disciplines to improve the tools, processes, and capabilities of threat detection and response of our SOC.