Skip to main content
Browser Warning

Enhance Your Experience Get a newer, better browser (it's free!)

Ready for an upgrade? A different browser will keep you connected to the full website experience – and protect you from security risks.

Close Search

Senior-Network Design Engineer (Government)

Purcellville, Virginia

Apply Now


Pursue a career and your calling.

"The similarities between military and AT&T culture are centered around morals..."

Chris S. — EVP, Technology Operations

"There are a lot of veterans here and it is a very supportive and positive environment just like the military. There is also a strong emphasis on ethics here similar to the military."


Help give our nation powerful possibilities.

AT&T Government Solutions

Giving our nation powerful possibilities.

What you can do in Government Solutions

Find out how you can keep our nation safe.

Government Support at AT&T

See how AT&T is connecting the United States government.

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Department of Defense .   We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.

The USAF partnered with AT&T to consolidate multiple disparate expenditures and IT projects into a consolidated enterprise while still allowing its users to retain the ability to tailor services and service levels. AT&T is providing commercial IT services to the USAF to improve performance of IT services and allow re-missioning of military personnel to cyber warfighting missions. 

The AT&T CNOSC Network Operations Center (NOC) has an opening for a Commercial Solutions for Classified capability (CSfC) Network Engineer to support a 24 x 7 Network Operation Center which provides management and oversight of various networks in a multi-tenant secure environment.  The CSfC Network Engineer is a highly experienced engineer with expertise in creating and implementing and maintaining NSA CSfC solutions.


  • Employee will assist with the installation, configuration, and maintenance of Commercial Solutions for Classified capability (CSfC) packages.
  • Provide technical guidance and troubleshooting expertise necessary to maintain continuous operations in a mission critical government solution according to the established government published capabilities packages.
  • Support the accreditation efforts of a commercial/classified solution package.
  • Employee will be responsible for the monitoring and on-going maintenance of routers, servers, switches, and firewall interconnections
  • Isolate and resolve end-to-end complex IP routing and connectivity issues.
  • Network Operations Center Engineering staff are an on-site resource.  The work environment will be within a secure facility which operates on a 24x7 basis.
  • Must be able to work non-traditional business hours/Shifts as needed. (7AM-5PM) (2PM-Midnight), (Midnight to 8AM) as needed.  Primary shift will be dayshift.
  • Leadership skills, Solid communication skills, and solid team building skills. 

Required Clearance:

Secret (#secret)   Minimum of a DoD SECRET Clearance is required and ability to obtain and retain higher levels of clearance as needed.

Required Qualifications:

  • Must be a US Citizen
  • Bachelor’s degree in Computer Science or related field, plus 3 to 5 years’ experience. Relevant work experience will be considered in lieu of degree
  • Experience implementing/working classified network solutions
  • DoD 8570/8140 Information Assurance Technician Level 2/3 Certified
  • Cisco CCNA or CCNP or Juniper networking certification
  • Working Knowledge of IP networking, especially IPSEC(DMVPN) tunneling, VRF, VDOM, VLAN, BGP, route reflectors
  • Public Key Infrastructure (PKI) implementations and associated requirements
  • Ability to work non-traditional shifts on nights and weekends as required
  • Possess effective communication skills and ability to interact with customers and business partners regarding operational and maintenance issues daily.

Desired Qualifications:

  • Previous experience with DoD Security Technical Implementation Guides (STIGs)
  • Hardening of network devices, and applying Information Assurance (IA) controls
  • Network Monitoring tools such as:  Zenoss, Netscout, Microfocus, NNMi, etc.
  • Experience with ServiceNow and or Remedy trouble ticketing system

Ready to join our team? Apply Today!

Job ID 2240053 Date posted 08/22/2022
Apply Now


Invested in your satisfaction and continued success.

We take care of our own here (hint: that could be you). Our benefits and rewards mean we cover some of your biggest needs with some of the coolest offerings. We already think we’re a pretty great place to work. We’re just trying to rack up some bonus points.

Let’s start with the big one: Your work gets rewarded with competitive compensation and benefits. It really does pay to be on our team.


When it comes to priorities, we know family tops the list. For the moments that matter the most, you'll be there for them, and we'll be here for you.

Family Leave

Paid Time Off

Our people have class. Literally. We can help you out on approved education costs with our tuition assistance plan.


Here’s another reason to breathe easy: You and your family get access to excellent medical, dental and vision insurance options.

Insurance Options

Wanna make your friends really jealous? You’ll get discounted access to the latest and greatest AT&T products and services — plus other awesome items, like tickets to live events.


You strike us as an over-achiever (don’t worry, it’s a compliment). Our training and development programs are your ticket to expert status in your job.

Training & Development

When the day comes that you get some much needed R&R (not that you’d ever want to leave #LifeAtATT) you’ll know your future is set with the AT&T Retirement Savings Plan (ARSP).


Give back to your community and connect with colleagues through social and team-building events, and annual paid time off for volunteer efforts of your choice.

Community & Team Events

The Hiring Process

Step 1

Complete a quick application online and check your status often.

Step 2

Virtual or in-person

Dress professionally and ensure good WiFi interviewing virtually.

Step 3

Job Offer

After a background check, you're part of the team.

Step 4

Welcome! Onboarding
and Training Begins

Our training and certification programs set you up for success.

Here are similar jobs, or

New Search
  • Senior System Engineer (Government) Government Technology, Technology, IT \ Engineering \ Technology, Engineering, Government Support, DevSecOps, Clearance Government, Clearance, Government Contract, Security Clearance, Secret Clearance Purcellville, Virginia

Haven't found what you're looking for?

Sign up for job alerts, updates and more.

Interested In

  • Government Technology, Purcellville, Virginia, United StatesRemove
  • Technology, Purcellville, Virginia, United StatesRemove
  • IT \ Engineering \ Technology, Purcellville, Virginia, United StatesRemove
  • Engineering, Purcellville, Virginia, United StatesRemove
  • Government Support, Purcellville, Virginia, United StatesRemove
  • DevSecOps, Purcellville, Virginia, United StatesRemove
  • Clearance Government, Purcellville, Virginia, United StatesRemove
  • Clearance, Purcellville, Virginia, United StatesRemove
  • Government Contract, Purcellville, Virginia, United StatesRemove
  • Security Clearance, Purcellville, Virginia, United StatesRemove
  • Secret Clearance, Purcellville, Virginia, United StatesRemove

AT&T Info and Alerts. Max 12 messages/month. Privacy Policy. You may opt-out at anytime by sending STOP to short code 20013. Msg & data rates may apply.

The values we live by.
  • Live True

    Do the right thing, no compromise.

  • Think Big

    Innovate and get there first.

  • Pursue Excellence

    In everything, every time.

  • Inspire Imagination

    Give people what they don't expect.

  • Stand for Equality

    Speak with your actions.

  • Embrace Freedom

    Press, speech, beliefs.

  • Make a Difference

    Impact your world.

  • Be There

    When customers & colleagues need you most.

Back to top