IT Site Design Specialist

About the role

Amentum is seeking an IT Site Design Specialist to support a program delivering integrated voice, video and data services across the IT lifecycle. The role works with engineers, architects, cybersecurity specialists and stakeholders to design scalable, secure network architectures and supports infrastructure, systems and data architecture. The schedule is 5 days a week (Monday to Friday), 8 hours per day, 40 hours weekly, with possible overtime and up to 25% annual travel.

Key responsibilities

• Analyze requirements and design scalable, secure network architectures aligned with organizational goals and cybersecurity standards.
• Support logical and physical design of infrastructure, systems and data architecture, keeping conceptual models aligned with deployed environments.
• Produce high-fidelity network documentation in Microsoft Visio, including topology diagrams, rack elevations and network boundary definitions.
• Conduct physical and logical site surveys, identify gaps and update legacy documentation to accurate "As-Built" status.
• Maintain configuration control and governance of Enterprise Architecture artifacts, ensuring version accuracy and traceability.
• Align technical solutions with DoW IT infrastructure, on-premise hosting environments and organizational structures.

Required profile

• Active Top-Secret clearance with SCI or TS, with the ability to acquire SCI (SCIM).
• At least 5 years of relevant experience in enterprise architecture, IT infrastructure, network engineering or similar.
• Associate's or bachelor's degree in an IT-related field.
• One of the listed 8140 IA Technical Level II or III baseline certifications (e.g., CCNA-Security, CySA+, CASP CE, CCNP, CISA, CISSP).
• Preferred: networking experience with on-premises environments, ServiceNow, ITIL 4 Foundation/Master.

Required skills

• Advanced Microsoft Visio, including custom stencils, layers and data-linked diagrams.
• Working knowledge of DoW/DoW IT infrastructure, networks, hosting environments and enterprise services.
• Familiarity with RMF, NIST, Zero Trust and secure system designs.
• Experience developing data and system reference models.
• MS Office (Excel, Word, Outlook, SharePoint, Project).

What we offer

• Salary range of $110,000 - $140,000.
• Health, dental and vision insurance, paid time off and holidays.
• Retirement benefits including 401(k) matching, educational reimbursement and parental leave.
• Employee stock purchase plan, tax-saving options, disability and life insurance, and pet insurance.