Cyber Security Engineer

Jul 10, 2025

Leidos is seeking a Cyber Security Engineer to design and implement secure systems for the DOMEX Technology Platform contract. The role requires collaboration with various teams to ensure compliance with DoD security standards.

Senior Network Security Engineer

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Marriott Senior Network Security Engineer - Cheyenne, Wyoming Schedule: Full-Time Located Remotely? Yes Relocation? No Position Type: Management JOB SUMMARY The Senior Network Security Engineer, Network Site Reliability Engineering (SRE) is the subject matter expert in designing and implementing the Network security strategy and platforms for the next-gen operations for all Marriott International (MI) networks including the Property Networks, Datacenter/Cloud Networks, and Corporate Networks. This role will work closely and collaboratively with a matrix team of expert network architects and engineers to drive adoption of SRE practices and operating models across all network product towers, and around the globe. As the Senior Network Security Engineer, the candidate focuses on defining and executing the zero-trust strategy to prevent unauthorized access to Marriott's network as well as meet stringent compliance requirements. Reporting to the Director of SRE, the engineer will be responsible for articulating and effectively executing a vision to address increasing complexity, scale of modern IT systems, and ensure real-time asset visibility, assessment, remediation, and access control to Marriott services. The successful candidate will be expected to bridge the gap by implementing security strategies and next-gen zero trust solutions to ensure all system components are meeting Marriott network access and security compliance requirements at a granular level. CANDIDATE PROFILE Required Education and Experience: Undergraduate degree in an engineering or computer science discipline and/or equivalent experience/certification 7+ years’ experience in information technology including: 6+ years' experience with network security tools related products Experience in installing, configuring, and troubleshooting zero trust security tools (Forescout NAC, Cisco ISE, Aruba ClearPass or other similar tools) Strong preference for product certifications (Forescout: FSCA or FSAA or FSCE) Expertise in designing and implementing policies in the tools mentioned above Experience with one or more Cloud Computing platforms (e.g. Amazon AWS, Microsoft Azure, Google Compute Engine) Knowledge and experience in wireshark/tcpdump/nmap and related analysis techniques Experience in developing, documenting, and managing the requirements gathering process and provide detailed design and implementation plans to support the requirements throughout the project life cycle Field experience and knowledge of foundational data networking and IP technologies including (ARP, TCP/IP, UDP, DHCP, DNS, NAT and others) Awareness in installing, managing, troubleshooting, and administration of firewall management solutions (Firemon, Palo Alto Panorama, Checkpoint MDS) Understanding of TACACS+, RADIUS Experience in Agile methodologies, daily stand-up meetings, sprint planning sessions, and user story preparations Hands-on experience with common routing and switching platforms (Cisco, Juniper, HP/Aruba etc.) Preferred: Advanced Degree (e.g., MS, PhD) in Computer Science or other technical discipline or MBA, preferably with a focus on technology Experience with managing network security tools in the hospitality industry a plus Experience in leveraging public APIs for developing automation scripts Team player with the ability to collaborate and work with cross-functional teams in multiple time zones Experience in researching emerging technologies and trends, standards, and products and synthesizing into clear technology roadmaps and strategies Strong knowledge of emerging tools, applications, and systems for attaining best-in-class network security posture across the enterprise Excellent problem-solving skills working independently and through leading outcomes for cross-functional teams Excellent understanding of change management, testing requirements, and techniques, to ensure high availability and business readiness of platforms Strong attention to detail with an ability to operate effectively across multiple priorities Ability to perform independently as a member of a team and through cross-functional initiatives Proven track record of driving transformation in network technologies, tools, and processes through a data-driven continuous improvement methodology Demonstrated experience in improving reliability, performance, and agility of complex enterprise networks Strong understanding of network infrastructure automation, instrumentation, and monitoring platforms and the emerging technologies in this area Strong influencing skills and an ability to overcome barriers while driving change Excellent verbal and written communication skills for a wide range of audiences including executives, business stakeholders, and IT teams CORE WORK ACTIVITIES Develop complex global distributed infrastructure security, management, and automation solutions to manage our global network. Lead design, write, and build tools to improve the security posture, availability, and scalability of Datacenter/Cloud Networks, Property Networks, and Corporate Networks. Serve as technical lead for the development of complex global distributed infrastructure security, management, and automation solutions to manage our global network. Serve as technical lead for the design of new cybersecurity tools to help implement zero trust strategy. Collaborate with other Network teams to develop network SRE solutions with a focus on zero trust. Conduct network analysis, configuration management and develop improvements for security compliance, availability, and reliability. Provide program management assistance and contribute input to help manage project schedules, risks, and costs. Manage Network SRE products and solutions, including the design, low-level engineering, and delivery of new security tools across the network. Define and implement an operational Recovery Time Objective (RTO) and Recovery Point Objective (RPO) strategy for all Network Infrastructure areas. Establish management level relationships and partnering with all Business disciplines and other MI teams to define Network SRE Security roadmap, meet service level requirements, and serve as an escalation point to resolve service delivery and operational issues. Drive accountability with strategic sourcing partners, vendors, telco/ISPs, etc., launching and managing Security Improvement initiatives where appropriate. Create functional strategies and specific objectives for the sub-function and contribute to the development of budgets/policies/procedures to support the functional Network SRE security tools, systems, and infrastructure. Perform network troubleshooting and upgrades. Coordinate with local teams and vendors, solve problems and restore services as needed. Foster an environment of continuous improvement and structured processes and procedures that support a zero-fault culture. California Applicants Only: The salary range for this position is $96,038 to $209,169 annually. Colorado Applicants Only: The salary range for this position is $96,038 to $190,154 annually. Hawaii Applicants Only: The salary range for this position is $116,205 to $209,169 annually. New York Applicants Only: The salary range for this position is $96,038 to $209,169 annually. Washington, D.C. Applicants Only: The salary range for this position is $105,641 to $190,154 annually. Washington Applicants Only: The salary range for this position is $96,038 to $209,169 annually. In addition to the annual salary, the position will be eligible to receive an annual bonus. Employees will accrue 0.04616 PTO balance for every hour worked and eligible to receive a minimum of 7 holidays annually. All locations offer coverage for medical, dental, vision, health care flexible spending account, dependent care flexible spending account, life insurance, disability insurance, accident insurance, adoption expense reimbursements, paid parental leave, educational assistance, 401(k) plan, stock purchase plan, discounts at Marriott properties, commuter benefits, employee assistance plan, and childcare discounts. Benefits are subject to terms and conditions, which may include rules regarding eligibility, enrollment, waiting period, contribution, benefit limits, election changes, benefit exclusions, and others. Marriott HQ is committed to a hybrid work environment that enables associates to be connected. Headquarters-based positions are considered hybrid, for candidates within a commuting distance to Bethesda, MD; candidates outside of commuting distance to Bethesda, MD will be considered for Remote positions. The application deadline for this position is 28 days after the date of this posting, July 18, 2024. Marriott International is an equal opportunity employer. We believe in hiring a diverse workforce and sustaining an inclusive, people-first culture. We are committed to non-discrimination on any protected basis, such as disability and veteran status, or any other basis covered under applicable law. Marriott International is the world’s largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. Be where you can do your best work, begin your purpose, belong to an amazing global team, and become the best version of you. #J-18808-Ljbffr

M365 Architect

Jul 10, 2025

Metasys Technologies is seeking an M365 Architect for a 3-month contract in Westminster, Colorado, focusing on configuring an M365 GCC-High tenant with an emphasis on endpoint security and external collaboration.