Arlington, Virginia, United States · On-site
$96k–$182k/yr
Date Posted: 2026-09-15 Country: United States of America Location: US-VA-ARLINGTON-111 ~ 1300 17Th St N ~ BBN ARLINGTON Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active an…
Skills: Systems administration, Network infrastructure, Server installation, Scripting, Automation
Arlington, Virginia, United States · On-site
$111k–$150k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: IT Infrastructure and Operations Job Qualifi…
Skills: Microsoft M365, Exchange Online, Microsoft Teams, Entra ID, PowerShell
Arlington, Virginia, United States · On-site
Job Family: Data Science Consulting Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust What You Will Do: Guidehouse is seeking a Junior Economic Analyst to support federal and state workforce, …
Skills: Economic Research, Statistical Analysis, Data Analytics, Econometric Methods, R
Arlington, Virginia, United States · On-site
Title: Senior FMS Strategic Case Manager Job Summary As the Senior Strategic Case Manager, you will serve as a principal advisor and analyst within the Intensive Management Office (IMO), driving the management of the Arm…
Skills: Foreign Military Sales, Security Cooperation, Strategic Planning, Executive Briefing, Data Analysis
Arlington, Virginia, United States · Hybrid
$87k–$198k/yr
Naval Systems Engineer The Opportunity: Are you searching for a position where you can use your project management and analysis skills to develop a project from concept to completion? A program requires a significant inv…
Skills: Systems engineering, Project management, Tactical planning, Contract review, Cost accounting
Arlington, Virginia, United States · On-site
$52k–$94k/yr
Service Desk Technician Location: Pentagon - Arlington, VA Clearance: Active TS/SCI Leidos is hiring for a Service Desk Technician to be part of a dynamic team to support the G2 Army MI Enterprise which provides IT repai…
Skills: Service Desk Support, Incident Management, Hardware Troubleshooting, Software Installation, Windows Environment
Arlington, Virginia, United States · On-site
Overview Job specifications are intedned to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: Performs mino…
Skills: Facility maintenance, Painting, Plumbing repair, Light fixture maintenance, Industrial cleaning
AMERICAN SYSTEMSArlington, Virginia, United States · On-site
$165k–$200k/yr
Overview AMERICAN SYSTEMS, a 100% employee-owned federal contractor, is seeking a highly experienced Information Systems Security Engineer (ISSE) to support Red Hate Enterprise Linux systems in a High Performance Computi…
Skills: RHEL, HPC, Security architecture, RMF, JSIG
Arlington, Virginia, United States · On-site
$153k–$207k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Jo…
Skills: Python, AI Ops, CI/CD, Docker, User Interfaces
Arlington, Virginia, United States · On-site
Job Family: Management Consulting Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust What You Will Do: Our Management Consulting professionals help our clients to identify, evaluate, and solve …
Skills: Management consulting, Process improvement, Project management, Data analysis, Performance metrics
Arlington, Virginia, United States · Hybrid
$128k–$173k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Program Delivery and Execution Job Qualifica…
Skills: Service delivery management, Enterprise IT, Infrastructure services, Data center management, ITIL standards
Arlington, Virginia, United States · On-site
$111k–$150k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Technical Support Services Job Qualification…
Skills: Asset Management, Program Management, Verbal Communications, Deskside Support, Inventory Management
Arlington, Virginia, United States · On-site
$128k–$173k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: IT Infrastructure and Operations Job Qualifi…
Skills: Platform engineering, Microsoft Intune, Windows 11, PowerShell, Image management
Arlington, Virginia, United States · Hybrid
$85k–$100k/yr
Forge is a global solutions provider. We are a proud, certified woman-owned, service-disabled, veteran-owned small business (WOSB, SDVOSB) ignited to redefine the traditional GovCon mold, deliver innovations, and elevate…
Skills: Security cooperation policy, Policy interpretation, Strategic thinking, Analytical skills, Critical thinking
Arlington, Virginia, United States · On-site
$150k–$180k/yr
Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior System Administrator to join our team of passionate individuals in Springfield…
Skills: Cloud administration, AWS, Linux, Windows server administration, Oracle cloud infrastructure
Arlington, Virginia, United States · On-site
$128k–$173k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: IT Infrastructure and Operations Job Qualifi…
Skills: Enterprise IT, IT Infrastructure, Infrastructure Management, Data Center Operations, Mainframe Management
Arlington, Virginia, United States · Remote Solely
$22/hr–$29/hr
Coach Job Description As an Enumerator Phone Coach for the National Association of State Departments of Agriculture (NASDA), you will be responsible for providing a crucial role in serving our agricultural producers by p…
Skills: Data collection, Quality control, Critical thinking, Verbal communication, Written communication
Arlington, Virginia, United States · On-site
$111k–$150k/yr
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Technical Support Services Job Qualification…
Skills: Service desk operations, Team leadership, Technical support, ServiceNow, ITIL v4
Arlington, Virginia, United States · On-site
$78k–$176k/yr
Ontology Data Scientist The Opportunity: As an Ontology Data Scientist, you’re excited at the prospect of unlocking the secrets held by a data set, and you’re fascinated by the possibilities presented by IoT, machine lea…
Skills: Palantir Foundry, Palantir Foundry AIP, Maven Smart Systems, Data Ingestion, Data Transformation
Arlington, Virginia, United States · Hybrid
$185k–$200k/yr
In today’s rapidly evolving cyber security landscape, new and more dangerous threats are emerging daily, and vulnerabilities are being exploited almost as fast as they are discovered. The previous mindset of designing so…
Skills: Cyber security, Risk management framework, NIST SP 800-53, Assessment and authorization, DISA STIGs
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
The Systems Administrator will manage core network infrastructure, server installations, and lab environments while collaborating with remote teams. They will also work with the cybersecurity team to ensure systems comply with NIST and RMF requirements.
Candidates must possess an active Top Secret U.S. government security clearance and a CompTIA Security+ CE certification. A university degree with at least 5 years of relevant experience is required, along with proficiency in Windows and Linux operating systems.
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 

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Join us and help shape the future of aerospace and defense.
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' Rosslyn, VA office is seeking a Systems Administrator. Our team handles all aspects of IT including, but not limited to: core network infrastructure, phone systems, lab setups, server installs and configuration, scripting, automation, and VM management. You will work mainly in our lab environments as a systems administrator as well as collaborating with colleagues in Cambridge and our other remote offices.
At BBN, we offer an exciting and collaborative workplace. If you enjoy a collegial environment that emphasizes innovation, teamwork, and technical excellence, we'd like to hear from you! We value creativity and initiative. 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 experience with system configuration/hardening (specifically to NIST 800-53 and STIG standards), applicable certifications, 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.
Work primarily on-site at our facility in Rosslyn, VA.
Work with our Cyber Security team to ensure that information systems conform to customer specification (NIST and RMF requirements).
Work with team members to propose, design, purchase, and implement technical solutions to customer requirements.
Perform regular information systems maintenance with regards to software updates, hardware refreshes, licensing, and changing requirements.
Diagnose and troubleshoot issues in lab environments including but not limited to Active Directory, antivirus software, vulnerability assessments, or network device configuration.
Generate, organize and maintain IT documentation as it relates to lab environments.
Qualifications You Must Have
Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience or in absence of a degree, 9 years of relevant experience.
Ability to access U.S. only data systems.
Active and transferable Top Secret U.S. government issued security clearance is required prior to start date.
CompTIA Security+ CE certification or other equivalent which meets DoD 8570 IAT Level II requirements.
Experience with several of the following tools: STIG Viewer, SCAP Compliance Checker, EvaluateSTIG, Splunk, Nessus.
Experience with NIST 800-53 and NIST 800-171 standards and the Risk Management Framework (RMF).
Experience with networking essentials including common ports & protocols, DHCP, DNS, switching/routing, firewalls, etc....
Experience with Windows operating systems (e.g. Windows 10/11, Windows Server 2022 and newer).
Experience with Linux operating systems (e.g. RedHat Enterprise, Ubuntu, etc…).
Experience with additional operating systems (e.g., macOS, Unix, etc…).
Experience setting up and managing Microsoft Active Directory environments.
Experience with Virtualization (e.g. VMWare vSphere, Hyper-V, etc…).
Cisco certification or experience with configuring and maintaining Cisco switching/routing/firewall products.
Relevant experience with classified U.S. Government networks.
Familiarity with the use of Atlassian software products (e.g., Jira, Confluence, Bit Bucket).
Experience with scripting languages (e.g., Linux/Unix shell scripting, Python, Windows PowerShell, etc…).
Ability to perform system builds and upgrades, product installation and maintenance.
Ability to troubleshoot and solve complex technical problems.
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.
A strong leadership team well-versed in government and Cybersecurity.
A collaborative and organized environment to help foster better understanding of Cybersecurity requirements, guidance, and approvals process.
Technically competent pool of Cyber/IT team who are willing to mentor, listen, and help you refine your Cybersecurity vision and goals.
Access to opportunities that help transition and apply security analysis during the lifecycle of systems through RTX.
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 95,500 USD - 181,700 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.
Click on this link to read the Policy and Terms
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
Offices: Arlington, VA, US
Based on 1715 listings with disclosed salaries, most government & public sector jobs in Arlington, VA pay between $73k–$195k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 2,514 open government & public sector positions in Arlington, VA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Booz Allen Hamilton, Arlington Public Schools, Amazon, Accenture Federal Services, Arlington County Government, among others. Browse the listings above to see every active employer.
Yes — 779 of the 2514 open government & public sector positions offer remote or hybrid work (174 remote, 605 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
