IT Site Design Specialist

Posted 2 Days Ago
Be an Early Applicant
Warrenton, VA, USA
In-Office
110K-125K Annually
Senior level
Security • Cybersecurity
The Role
Design and document secure enterprise network architectures and perform physical/logical site surveys. Produce high-fidelity Visio diagrams, update as-built documentation, enforce configuration control, and ensure designs meet DoW cybersecurity standards (RMF, NIST, Zero Trust). Collaborate with engineers, architects, and stakeholders and support infrastructure sustainment and integration.
Summary Generated by Built In

Purpose and Impact:

In support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology lifecycle, Amentum is seeking an IT Site Design Specialist to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. You must be a critical thinker, have a strong work ethic, and be able to work independently or as a member of a team in a dynamic environment. We value candidates who are detail-oriented while also being able to think and react quickly to emerging and unique problem sets. To be successful, you must be able to rapidly adapt and learn how to operate the front and back end of new products and processes.

Work Schedule:

  • 5 Days (Mon – Fri); 8 hrs/Day; 40 hrs/wkly

  • Ability to work overtime during critical peaks and be available to meet last-minute requests for overtime if needed. 

  • Ability to travel up to 25% annually; CONUS (multi-day travel).

Essential Responsibilities:

The duties and responsibilities of the IT Site Design Specialist include, but are not limited to the following:

  • Collaborate effectively across a multidisciplinary team including engineers, architects, cybersecurity specialists, and stakeholders to analyze requirements, designing scalable and secure network architectures aligned with Organizational goals and cybersecurity standards.

  • Contribute to the development and sustainment of infrastructure, systems, and data architecture by supporting both logical and physical design efforts, ensuring alignment between conceptual models and deployed environments while promoting consistency, scalability, and interoperability across enterprise systems and platforms.

  • Serve as a technical subject matter expert in producing high-fidelity network documentation using Microsoft Visio, translating complex operational and engineering requirements into clear, detailed visuals such as topology diagrams, rack elevations, and network boundary definitions while ensuring accuracy, standardization, and usability for design validation, implementation, and ongoing support

  • Conduct comprehensive physical and logical site surveys to assess and validate existing network infrastructure, identify gaps or discrepancies, and update legacy documentation to accurate “As-Built” status, ensuring current configurations are clearly documented and aligned with operational, engineering, and compliance requirements

  • Maintain rigorous configuration control and governance over Enterprise Architecture artifacts by ensuring version accuracy, enforcing traceability across changes, and upholding standardized processes and compliance requirements to preserve integrity, accountability, and alignment with enterprise policies and objectives.

  • Demonstrate a strong understanding of DoW IT infrastructure, on-premise hosting environments, and organizational structures to effectively align technical solutions with operational frameworks, support informed decision-making, and ensure network designs and integrations are compatible with existing enterprise capabilities and governance models.

Minimum Requirements (Knowledge, Skills, and Abilities):

  • Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI  

  • Must have at least 5 years of relevant experience

  • Experience in enterprise architecture analysis, evaluation, design, development, integration, IT infrastructure, or network engineering. 

  • Technical Tools: advanced expertise in Microsoft Visio, including the use of custom stencils, layers, and data-linked diagrams. 

  • Infrastructure Mastery: Working knowledge of DoW/DoW IT infrastructure environments, including networks, hosting environments, enterprise services, and operating within secure boundaries. 

  • Cybersecurity Standards: Familiarity with DoW cybersecurity requirements, including Risk Management Framework (RMF), NIST, Zero Trust principles, and secure system designs.

  • Data & System Modeling: Experience developing data and system reference models. 

  • Experience supporting DoW programs, including familiarity with DoW IT service delivery standards.

  • Familiarity with MS Office applications such as Excel, Word, Outlook, SharePoint, Project, and Visio.   

  • Exceptional attention to detail; excellent verbal and written communication skills; strong critical thinking, organizational, time-management, and problem-solving skills.     

  • Ability to work both independently and as part of a team in a dynamic environment.

Security Clearance Required:

  • Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI

Minimum Education:

  • Associates or bachelor’s degree in IT related field

Minimum Years of Experience:

  • 5 years of relevant experience

Required Certifications:

Must possess one of the following 8140 IA Technical Level II or III baseline certifications:

  • Level II certs include – CCNA-Security, CySA+, CND, Security+ CE

  • Level III certs include – CASP CE, CCNP, CISA, CISSP (or Associate)

Preferred Qualifications:

  • Networking IT experience with on-premises environments 

  • Familiarity with ServiceNow  

  • ITIL 4 Foundation/Master

#javelin

This position is not designated as a safety sensitive position.

As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment.  Employment is contingent upon successful completion of the drug screening process.  Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.  

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

       

Compensation Details:

$110,000 - $125,000

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.


Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance


Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

07/24/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

       

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

Skills Required

  • Active Top-Secret clearance with SCI or Top-Secret with ability to acquire SCI
  • Minimum 5 years relevant experience
  • Experience in enterprise architecture analysis, design, integration, IT infrastructure, or network engineering
  • Advanced expertise in Microsoft Visio (custom stencils, layers, data-linked diagrams)
  • Working knowledge of DoW IT infrastructure environments, networks, hosting environments, and enterprise services
  • Familiarity with DoW cybersecurity requirements, including RMF, NIST, and Zero Trust principles
  • Experience developing data and system reference models
  • Experience supporting DoW programs and IT service delivery standards
  • Familiarity with Microsoft Office applications: Excel, Word, Outlook, SharePoint, Project (and Visio)
  • Possess one of the 8140 IA Technical Level II or III baseline certifications (CCNA-Security, CySA+, CND, Security+ CE, CASP CE, CCNP, CISA, CISSP or Associate)
  • Associate's or Bachelor's degree in an IT-related field
  • Ability to travel up to 25% annually (CONUS, multi-day)
  • Ability to work overtime during critical peaks and meet last-minute overtime requests
  • Ability to work independently and as part of a team; strong attention to detail and communication skills
  • Networking IT experience with on-premises environments
  • Familiarity with ServiceNow
  • ITIL 4 Foundation/Master

Amentum Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.

  • Healthcare Strength Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
  • Retirement Support Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
  • Leave & Time Off Breadth Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.

Amentum Insights

Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Chantilly, VA
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

Similar Jobs

Liberty Mutual Insurance Logo Liberty Mutual Insurance

Inside Sales Representative

Artificial Intelligence • Fintech • Insurance • Marketing Tech • Software • Analytics
Remote or Hybrid
11 Locations
40000 Employees
45K-85K Annually

Comcast Logo Comcast

Executive Director, Strategy & Operations, Comcast Government Services

Digital Media • Information Technology • News + Entertainment
Hybrid
Reston, VA, USA
115000 Employees
191K-315K Annually

Comcast Logo Comcast

Account Executive

Digital Media • Information Technology • News + Entertainment
Remote or Hybrid
Virginia, USA
115000 Employees

Liberty Mutual Insurance Logo Liberty Mutual Insurance

Inside Sales Representative

Artificial Intelligence • Fintech • Insurance • Marketing Tech • Software • Analytics
Remote or Hybrid
11 Locations
40000 Employees
45K-85K Annually

Similar Companies Hiring

SEON Thumbnail
Artificial Intelligence • Cybersecurity
Budapest, Budapest
415 Employees
Credal.ai Thumbnail
Software • Security • Productivity • Machine Learning • Artificial Intelligence
Brooklyn, NY
Milestone Systems Thumbnail
Artificial Intelligence • Security • Software • Analytics • Big Data Analytics
Lake Oswego, OR
1500 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account