Senior Solutions Engineer Jobs in Arlington, VA

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AECOM’s Technology Solutions Group is seeking a highly skilled Sr. Network Solutions Consultant with extensive experience in architecting both wide-area networks and local routing and switching technologies. The ideal candidate will provide high-level consultative knowledge to AECOM clients as well as hands-on work to design, implement, and optimize complex network security solutions, ensuring robust protection and seamless connectivity for our clients.

Key Responsibilities:

• Design and architect network security solutions using Cisco and Fortinet technologies, meeting industry standards and client requirements.
• Provide oversight and lead the deployment, configuration, and management of routing and optical transport systems, firewalls, and intrusion prevention systems (IPS).
• Collaborate with cross-functional teams to assess security needs, identify vulnerabilities, and recommend appropriate security measures.
• Conduct thorough network and security assessments, providing detailed reports and actionable recommendations.
• Ensure continuous monitoring and maintenance of security systems, responding promptly to security incidents and implementing corrective measures.
• Provide consulting and lead the implementation of Identity Services with dual factor authentication.
• Develop and maintain comprehensive documentation for network security architectures, configurations, and procedures.
• Provide expert guidance and technical support to clients and internal teams.
• Support sales engineering efforts by developing technical solutions and participating in client presentations.
• Stay informed with the latest developments in network security, emerging threats, and product line advancements.
• Participate in client meetings and presentations, articulating complex technical concepts clearly and accessibly.

Key Experience:

• Cisco and/or Fortinet: 10 years (Preferred)
• Network Architecture Design: 8 years (Preferred)
• Cybersecurity: 3 years (Preferred)

Work Location: Remote with some travel required

Qualifications:

• Bachelor’s degree in computer science, Information Technology, or a related field. Advanced certifications such as CCIE, CCNP, CISSP or equivalent are highly desirable.
• Minimum of 8 years of experience in the design, installation, and configuration of network routing, switching, and security, focusing on large and complex networks.
• Experience with Cisco Identity Services Engine (ISE) and Duo Security or competitive products with a willingness to learn.
• Experience with Fortinet SD-WAN products or willingness to learn
• Proven experience in designing and implementing network security solutions for enterprise-level environments.
• Experience with network protocols, routing, and switching technologies including BGP, EIGRP, and OSPF.
• Expertise in security technologies such as VPNs, IPSec, SSL/TLS, and advanced threat protection.
• Excellent analytical, problem-solving, and decision-making skills.
• Effective communication skills, with the ability to explain complex technical issues to non-technical stakeholders.
• Ability to work independently and collaboratively in a fast-paced environment.
• U.S. Citizenship required.
• Ability to lift and rack-mount equipment and climb ladders as required for installation activities.

Preferred Skills:

• Knowledge of SONET architecture or a willingness to learn
• Strong knowledge of MPLS applications in regional connectivity
• Knowledge of cloud security and integration with platforms such as AWS, Azure, or Google Cloud.
• Familiarity with compliance standards and best practices such as ISO 27001, NIST, and GDPR.
• Familiarity with Passive Optical Networks (GPON, XGS PON, Passive Optical LAN) is a plus.

• Relocation is not available for this role.
• Sponsorship is not available for this role.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

What makes AECOM a great place to work

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity.

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.