Sr. Network Security Engineer

Job Title: Senior Network Security Engineer (Contract) - Job#5984 Location: Remote Job Summary: Our client is seeking a skilled Senior Network Security Engineer to design, implement, and support secure enterprise network and firewall infrastructure. This role will play a critical part in strengthening boundary security, advancing network architecture, and ensuring resilient, compliant, and scalable infrastructure across the organization. The ideal candidate brings strong expertise in network and firewall technologies, infrastructure-as-code, automation, and secure systems engineering. This individual will collaborate closely with cross-functional IT teams and business stakeholders to develop and execute strategic security initiatives, while delivering secure, high-performing network solutions that align with operational and business requirements. This is a hands-on engineering role requiring advanced technical capabilities, strong problem-solving skills, and the ability to translate complex technical and business requirements into effective, secure network and security solutions. Responsibilities: Develops conceptual, logical and physical IT engineering designs, that support the requirements of varying levels of technical and business application projects Completes analysis of business requirements, as it relates to technical infrastructure design, and ensure traceability of the design to the business requirements Assesses testing requirements and prepares testing strategies, as well as preparing implementation and migration plans Senior level position requires expertise in field and proven knowledge of industry practices Requires significant level of experience and be considered a subject matter expert in field with a hands-on role Develop, document and execute network and security designs for the implementation of network and security service Performs resolution of complex hardware and problems affecting application systems. Initiates problem avoidance actions Prepares and implements detailed specifications from which release programs will be written Analyzes and revises existing system logic and documentation as necessary. Configures, tests and deploys infrastructure releases, both hardware and software Recommends solutions to minimize and/or prevent system interruption Drives the roadmap and strategy development for the technology capability lifecycle Performs change and problem management using standard tools following enterprise change management policies and procedures for software/hardware propagation to other platforms and/or environments Will lead complex projects and participate on technical/complex projects. Provides project updates and prepares management reports as required Utilizes available tools for automation of manual processes Follows and ensures adherence to technical standards for programming and design techniques Trains System technical staff on use of software /hardware tools in accordance with required standards and procedures Contributes to development and revision of department standards and procedures Assists with monitoring compliance with internal audit requirements and Information Security Manual guide-lines Qualifications: Proficient with General Network Architecture Design and Risk Management Decision making and analysis Proficient with Network, and Firewall technologies Be able to configure, build, stage, and deploy Network and Firewall policy and infrastructure as code Proficient with Linux and Windows Server Proficient in scripting languages such as Python, Ansible, Puppet Knowledge of system security controls Knowledge of networking fundamentals (routing, switching, VLANs, SPANs, TCP/IP protocols) Experience with TCP/IP packet analysis and networking protocols Provides management and executive level reports of progress status and changes Participates in cross-functional teams with various stakeholders on assignments under tight deadlines Collaborate closely with IT functions and business areas to develop and execute strategic plans in improving boundary security Designs solutions for business areas that meet their operational requirements while maintaining the security posture of the System CISSP, CCSP or other Security, Cloud and Information Technology Certifications strongly desired (ie - Sec+, CCNP, CEH, AWS, Azure) About Delphi-US Delphi-US is a national recruiting firm based in Newport, Rhode Island. We specialize in IT, Engineering and Professional Staffing services for organizations across the United States of America. Our mission is simple: We are Peacemakers in the Talent War. Delphi attracts our nation's best and brightest Technical & Professional Talent and position our nation's finest employers to further their competitive advantages. We accomplish this with a proprietary skill-based and cultural matching process that results in higher qualified submissions, hiring with purpose, and employer/employee mutual success. You'll find our team is supremely experienced, friendly, professional and ready to advocate on your behalf. Armed with best in class talent, Delphi has an indelible understanding of employer expectations and we deliver lasting results. #LI-RS1

Created: 2026-03-05