computer network security analyst Jobs in reston, va

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Senior RF Engineer

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Do you have experience solving real world problems related to RF communications? Are you interested in advancing the field of VLF/HF band radio communications? Are you searching for meaningful work to solve crucial communications challenges for our military? The Nuclear Command Communications Systems Group (QKR) is looking for a Senior RF Engineer who is motivated to make critical contributions to our nation's defense in the area of High Frequency (HF) and Very Low Frequency (VLF)
Posted 60+ days ago | Updated 1 hour ago

Junior Software Developer

ManTech

•

McLean, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Junior Software Developer to join our team in McLean, VA. In this role, you will be an experienced Linux and Ruby on Rails Developer with a strong background in Telephony Engineering to serve on a Dedicated Support Team of Network Telephony Installers supporting the Voice Program Recap Office (VPRO). You will leverage your expertise in Linux systems, Ruby programming, Ruby on Rails, and telephony systems to design, develop, and maintain voi
Posted 60+ days ago | Updated 1 day ago

Video Teleconferencing Sr. Engineer

General Dynamics

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Telecommunications Job Qualifications: Skills: Unified Communications, Video Conferencing, Video Teleconferencing (VTC), Video Teleconferencing Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: **RELOCATION ASSISTANCE AVAILABLE ** We are GDIT, one of the largest IT
Posted 19 days ago | Updated 1 hour ago

Senior Software Systems Engineer

Leidos

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Fort Belvoir, Virginia, USA

Full-time

Join a dynamic team working alongside the Senior Systems Analyst and Systems Architect to develop, configure, deploy, and maintain a specialized on-premises software system for the analysis of nuclear weapon effects. This container-based solution runs in Kubernetes and operates in a hybrid Linux and Windows environment. Note: This position is funded for three months, with potential for extension based on project needs and funding availability. Key Responsibilities: Configure, deploy, test, and
Posted 24 days ago | Updated 1 hour ago

Sr Systems Admin

Apex Systems

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Fort Belvoir, Virginia, USA

Full-time

Job#: 2052968 Job Description: Apex Systems is seeking a TS/SCI cleared Senior Systems Administrator to join our client for a full-time, direct-hire position at Ft. Belvoir, VA. Please see below for more details! Overview: Job Title: Sr Systems Administrator Job Type: Full-Time, Direct-Hire, W2 Location: Ft. Belvoir, VA (onsite) Compensation: $170k - $180k/yr Clearance Required: Active TS/SCI Travel Required: 15% (VA, MD, GA, NC, TX, HI) What you'll do: Manage an enterprise network that consist
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Posted 60+ days ago | Updated 1 hour ago

Software Engineer - Senior

Leidos

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McLean, Virginia, USA

Full-time

Software Engineer - Senior Are you looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like
Posted 5 days ago | Updated 1 hour ago

Industrial Security Representative/Facility Security Officer

Leidos

•

Lorton, Virginia, USA

Full-time

Description The Digital Modernization Group at Leidos is seeking an Industrial Security Representative/FSO supporting HEITS Contract in Lorton, VA. The position will be a part of the Leidos Defense/Intel IT Business Area. The ISR/FSO works under the guidance of the Leidos Defense & Intel IT, Business Area Security Manager in the application of Leidos security standards and practices to existing government and Leidos facilities identified by the contract(s). The ISR/FSO is responsible for safegu
Posted 38 days ago | Updated 12 hours ago

Senior Systems Engineer-Project Integration

Harris Corporation

•

Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 22 days ago | Updated 1 hour ago

Senior Systems Engineer-Project Integration

L3 Harris

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Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 21 days ago | Updated 18 hours ago

Interdisciplinary Engineer

Defense Contract Management Agency

•

Chantilly, Virginia, USA

Full-time

Summary See below for important information regarding this job. Additional vacancies may be filled from this announcement. This is an open continuous announcement. Due to close February 16th, 2026. This job is open to The public U.S. Citizens, Nationals or those who owe allegiance to the U.S.Military spouses Military spouses relocating under PCS orders or whose spouse is 100% disabled or died while on active duty. Clarification from the agency This announcement is open to All U.S. Citize
Posted 60+ days ago | Updated 1 day ago

Lead Systems Engineer

American Systems Corporation

•

Chantilly, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a Lead Systems Engineer with AMERICAN SYSTEMS you will have the opportunity to do the following:Lead a team of talented, and experienced IT Engineers on new and ongoing IT projectsEngage in hands-on technical
Posted 26 days ago | Updated 1 hour ago

Mid Level End User Technician - Placement

Apex Systems

•

Arlington, Virginia, USA

Full-time

Job#: 2064985 Job Description: Apex Systems is seeking a Mid-Level End User Technician to support the Department of Homeland Security in Arlington, VA. If interested, email your resume. Position: End User Technician Location: Fully onsite in Arlington, VA Hours: Regular business hours Compensation: $70,000/yr Job type: Full time, 6-month contract to hire Clearance: Must obtain DHS EOD before starting Job Description The End User Tech provides intermediate level on-site technical support for
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Posted 60+ days ago | Updated 1 hour ago

Network Engineer

Irvine Technology Corporation (ITC)

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Remote or Irvine, California, USA

Contract

Network Engineer (Remote) Network Engineer (Remote) We have an immediate need for a Network Engineer on a contract basis to join one of the nation s largest mechanical construction organizations. The Network Engineer will manage, maintain, and design a complex network environment. This role involves both support (break-fix) and project-based work, including design and implementation of network solutions. Location: Remote with 15-40% travel across the US This job expects to pay about $50 75 per
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Posted 16 days ago | Updated 1 hour ago

Cyber Capability Developer (Junior)

American Systems Corporation

•

Springfield, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Conducts research in design, development, testing and utilization of electronic data processing software.Designs, develops, documents, tests and debugs applications software and systems that contain logical and
Posted 26 days ago | Updated 1 hour ago

Project Manager - 23207

Syneren Technologies

•

Vienna, Virginia, USA

Full-time

Job Title: Project Manager Job Location: Vienna, VA. (Onsite) Job Description: Syneren is currently seeking a Project Manager. Required experience: Must have 10 years managing IT projects, at least 5 of which must be software engineering projects Required Qualifications: Secret Clearance( Top Secret clearance preferred) COMPTIA SECURITY+ Certificate PMI certification, ITIL certification Education: BA degree in an information technology , computer science, program management, or related field Ab
Posted 60+ days ago | Updated 11 hours ago

Software Engineer

American Systems Corporation

•

Alexandria, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Research, design, develop, or modify enterprise-wide systems or applications software.Participate in planning system and development deployment and maintain responsibility for meeting software compliance standar
Posted 26 days ago | Updated 1 hour ago

Systems Administrator - Linux/Windows

GovCIO

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Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr
Posted 4 days ago | Updated 10 hours ago

Systems Administrator, Junior

General Dynamics

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Springfield, Virginia, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Troubleshooting, Virtual Desktop Infrastructure (VDI), Workstations Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator with GDIT.
Posted 5 days ago | Updated 1 hour ago

IT Fielding Engineer

Jacobs

•

Warrenton, Virginia, USA

Full-time

Your Impact: The mission of the Lone Wolf program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided, TS/SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program boasts a professional workforce comprised of specialists throughout the Information Technology lifecycle and who contribute to a posi
Posted 26 days ago | Updated 1 hour ago

Sr. Member of the Technical Staff - Digital Systems Engineering

Aerospace Corporation

•

Chantilly, Virginia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,
Posted 60+ days ago | Updated 1 hour ago