Classified Network Administrator

Date Posted:

2025-08-01

Country:

United States of America

Location:

MA105: BBN Headquarters 10 Moulton Street , Cambridge, MA, 02138 USA

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance:

DoD Clearance: Secret

This position requires active and transferable Secret U.S. government security clearance

RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.

RTX BBN Technologies, a subsidiary of RTX, is the research company behind many revolutionary advances that we take for granted today. BBN is where email was invented, and the first routers were implemented. Today, BBN's scientists and engineers are working to advance the state-of-the-art on topics ranging from machine language translation to quantum cryptography. BBN offers the opportunity to perform exciting and revolutionary research that solves important problems in an exciting, collaborative environment.

The Business Infrastructure group at RTX BBN Technologies' Cambridge, MA office is seeking a Network Administrator.  Our team handles all aspects of IT including but not limited to: core (Cisco) network infrastructure, phone systems, lab setups, server installs and configuration, scripting, automation, and VM management.  You will work mainly in our classified lab environments as a network administrator as well as collaborating with colleagues in Cambridge and our other remote offices.  You'll work independently, installing and configuring server hardware and networking equipment.  You will also work directly with our engineering staff, external vendors, and collaborators to solve complex and interesting problems.

The ideal candidate would have a moderate amount of networking knowledge, applicable certificates, and some experience with classified US Government networks.  You should be able to learn and adapt to new technologies quickly and effectively. Flexibility and attention to detail is essential to this teams’ success. 

What You Will Do:

• Work with our Security team to ensure the network conforms to customer specification. (NIST and RMF requirements)
• Work with team members to propose, design, purchase, and implement technical solutions to customer requirements.
• Perform regular network device maintenance with regards to software updates, hardware refreshes, licensing, and changing requirements.
• Diagnose and troubleshoot networking issues in the lab as they relate to other lab technologies including but not limited to Active Directory, antivirus software, network authentication services, or upstream network connections.
• Work with multiple parties inside and outside of the Company to achieve networking goals within lab environments.

Qualifications You Must Have:

• Bachelor’s degree & minimum 5 years of prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience, or 8 years of relevant professional experience without/in lieu of a degree
• Knowledge of networking essentials and Cisco Network Appliances, including routers, Layer 2 and 3 switches, and ASA Firewall/VPN devices
• Current Cisco CCNA or equivalent certification
• Active and transferable Secret U.S. government security clearance

Qualifications We Prefer

• Willingness to collaborate with others towards a common goal
• Familiarity with NIST 800-53 standards and the Risk Management Framework (RMF)
• Current DoD-approved baseline IAT II certification (e.g., CompTIA Security+, ISC2 SSCP)
• Knowledge of Palo Alto firewalls, Cisco ISE application
• Relevant experience with classified US government networks
• Familiarity with DISA’s SCAP and STIG process and procedure
• Experience with Trellix Endpoint Security Suite or relevant endpoint software
• Experience with Nessus Scanner, ACAS, or other vulnerability scanner

What We Offer

Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

• Relocation Assistance available
• This position is Onsite working situation at our Cambridge, MA headquarters

To help you achieve your goals, BBN will provide:

• A strong leadership team well-versed in government R&D.
• A collaborative and collegial environment to push state-of-the-art research.
• Business development, programmatic, contracting, finance, and HR support

The salary range for this role is 90,000 USD - 182,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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