About AECOM

AECOM builds sustainable legacies through infrastructure and environmental solutions. The Technology Solutions Group within AECOM delivers network and security consulting to clients, so you would work at the intersection of engineering and IT consulting.

About the role

This senior consultant role combines high-level advisory work with hands-on design, implementation, and optimization of network security solutions. You will architect wide-area networks, local routing and switching, and security systems using Cisco and Fortinet technologies, while also leading identity services with dual-factor authentication. The position is remote in the US and supports AECOM clients across various infrastructure projects.

A typical day

A typical day might involve collaborating with cross-functional teams to assess client security needs, designing or optimizing network security architectures, and responding to security incidents. You could also spend time documenting configurations, conducting assessments, and providing recommendations to clients. Since the role is remote, you would coordinate with clients and internal teams virtually.

Who AECOM is looking for

Extensive experience architecting both wide-area networks and local routing and switching technologies.
Hands-on expertise with Cisco and Fortinet security solutions, including firewalls and intrusion prevention systems (IPS).
Proven ability to lead deployment, configuration, and management of routing, optical transport systems, and security infrastructure.
Experience implementing Identity Services with dual-factor authentication and conducting network security assessments with actionable recommendations.

Tips for this application

Highlight specific projects where you designed or optimized network security solutions using Cisco and Fortinet technologies, including firewall and IPS deployments.
Quantify your experience with wide-area networks and local routing/switching—mention scale, complexity, and outcomes.
Include examples of leading identity services implementations with dual-factor authentication, as this is a listed responsibility.
Emphasize any consulting experience where you provided oversight, assessments, and documentation for clients, since the role involves client-facing advisory work.
Mention familiarity with optical transport systems if you have it, as the job description explicitly includes routing and optical transport systems.

What to cover in your cover letter

['Your hands-on experience architecting and deploying Cisco and Fortinet security solutions, with specific examples of firewalls and IPS.', 'Your ability to lead and provide oversight for network security projects, including deployment, configuration, and management.', 'Your experience with identity services and dual-factor authentication implementation.', 'Your consultative skills in conducting assessments, producing detailed reports, and recommending security measures to clients.']

Draft a cover letter

Research before applying

Review AECOM's Technology Solutions Group and its role within the company's broader infrastructure and environmental projects.
Look into AECOM's recent projects or client sectors to understand the types of networks and security challenges they might face.
Research common network security standards and compliance requirements in infrastructure and environmental consulting.
Check if AECOM has any public case studies or white papers on network security or technology consulting.

Likely interview topics

Based on the job description, expect questions about:

Walk through a complex network security solution you designed using Cisco and Fortinet technologies. What were the requirements and how did you meet them?
How do you approach conducting a network security assessment? What tools and methodologies do you use?
Describe your experience implementing identity services with dual-factor authentication. What challenges did you face and how did you resolve them?
How do you stay current with evolving network security threats and technologies, especially in wide-area networks and routing/switching?
Give an example of a security incident you responded to. What was your process for implementing corrective measures and documenting the outcome?

Practise interview questions

Common mistakes to avoid

Focusing only on general network experience without highlighting specific Cisco and Fortinet security work.
Neglecting to mention consultative or client-facing experience, as the role requires providing high-level advisory knowledge.
Omitting examples of leading projects or providing oversight, since the position is senior and involves leadership.

Deadline

No deadline is listed. Roles without a deadline usually close once the employer has enough candidates, so apply soon if you are interested.