221 - 240 of 252 Jobs

Systems Administrator

General Dynamics

Bluemont, 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: EMC Storage Area Network (SAN) Administration (Inactive), Unix System Administration, Windows System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into o

Principal Engineers, Systems Design

T-Mobile

Frisco, Texas, USA

Full-time

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! T-Mobile is America's supercharged Un-carrier, deliver

Senior Principal Systems Engineer Cyber Engineer (SPY6 Family of Radars) (On-site Marlborough, MA) - P5

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 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.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation a

Systems Administrator

General Dynamics Information Technology

Bluemont, 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: EMC Storage Area Network (SAN) Administration (Inactive), Unix System Administration, Windows System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into o

Full Stack Systems Engineer IT / TS/SCI Poly / Onsite: Littleton, CO

Lockheed Martin Corporation

Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span more than 70 countries. This Lockheed Martin Enterprise Operations (EO) position will suppor

Information Systems Security Engineer (ISSE)

Nightwing

Virginia Beach, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Principal Systems Engineer: UTMD Sub CPT Lead Cyber and Program Protection ( Onsite) - P4

RTX Corporation

Goddard, Kansas, USA

Full-time

Date Posted: 2025-05-29 Country: United States of America Location: MA311: Woburn MA 225 Presidential 225 Presidential Way Goddard Building 27, Woburn, MA, 01801 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.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to hel

Information Systems Analyst / Secret / King of Prussia, PA

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description This position requires an active Secret clearance. Lockheed Martin Space Information Systems Analyst position will support military Space Programs. This position receives day-to-day operations guidance from program staff and will report to the FBM IS Classified IT Ops Manager. Responsibilities include: Perform successful root cause analysis for problem resolution in Windows and Linux environments Analyzing and assessing server performance, storage capacity and planning for fut

Linux Information Systems Analyst, Sr / Secret / King of Prussia, PA

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description About Us: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Lockheed Martin Enterprise Operations (EO) position will suppor

Information Systems Analyst, Staff / Secret / King of Prussia, PA

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description This position requires an active Secret clearance. Lockheed Martin Space Information Systems Analyst position will support military Space Programs. This position receives day-to-day operations guidance from program staff and will report to the FBM IS Classified IT Ops Manager. Responsibilities include: Perform successful root cause analysis for problem resolution in Windows and Linux environments Analyzing and assessing server performance, storage capacity and planning for fut

FPGA Hardware Engineer

Leidos

Linthicum Heights, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a FPGA Hardware Designer Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Active TS/SCI with a polygraph is required. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holiday

Information Systems Analyst, Sr / Secret / Onsite: Huntsville, AL

Lockheed Martin Corporation

Huntsville, Alabama, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Martin Space d

Secure Wireless Engineer

General Dynamics Information Technology

Springfield, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Network Engineering Job Qualifications: Skills: Network Connectivity, SSL VPN, Virtual Private Networks (VPNs), Wireless Networks Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own your opportunity to serve as a critical compone

Secure Wireless Engineer

General Dynamics

Springfield, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Network Engineering Job Qualifications: Skills: Network Connectivity, SSL VPN, Virtual Private Networks (VPNs), Wireless Networks Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own your opportunity to serve as a critical compone

Sr. Analysis Engineer, Battery Pack, Battery Engineering

Tesla Motors

Palo Alto, California, USA

Full-time

Analysis Engineers on the Battery Team are at the leading edge of the next generation Tesla products. In this role, you will be responsible for analyzing and optimizing the performance of revolutionary vehicle and energy storage battery designs. The Battery team help pushing cell performance limits to make incredible products. You will be an innovative and skilled problem solver - using all analytical tools available to you. Where these tools are insufficient or do not exist, you will develop no

Systems Administrator, Staff / Secret / Onsite - Huntsville, AL

Lockheed Martin Corporation

Huntsville, Alabama, USA

Full-time

Job Description About Us: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. The Enterprise Business and Digital Transformation (EBDT) o

Cyber Security Analyst

Leidos

Whitehall, Ohio, USA

Full-time

The Leidos Digital Modernization sector is continuously looking for cleared Cyber Security Analysts who are interested in joining the DISA GSM-O II program. We hire for these roles on an ongoing basis and our recruiting team will contact applicants as positions become available. POSITION SUMMARY: In this position, you will be joining a team providing 24x7 cybersecurity monitoring services for Department of Defense networks. This includes performing real-time cyber threat intelligence analysis,

Classified Sr. ISSO (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-06-27 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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.Security Clearance: DoD Clearance: Secret Our team in Richardson, Texas is seeking a Sr. Information Systems Security Officer (ISSO). The Sr. ISSO will function as a bac

Cyber Engineer/ISSE

Govcio LLC

Hurlburt Field, Florida, USA

Full-time

Overview: GovCIO is currently hiring for a Cyber Security Engineer / Information Systems Security Engineer (ISSE) to support the 39th Information Operations Squadron (39 IOS). This position will be located at Hurburt Field Florida and will be an onsite position. Responsibilities: Activities may include correlation of threat data from various sources to establish the identity and modus operandi of hackers active in client's networks and posing a potential threat. Provides the customer with assess

Cyber Engineer/ISSE

GovCIO

Hurlburt Field, Florida, USA

Full-time

Overview GovCIO is currently hiring for a Cyber Security Engineer / Information Systems Security Engineer (ISSE) to support the 39th Information Operations Squadron (39 IOS). This position will be located at Hurburt Field Florida and will be an onsite position. Responsibilities Activities may include correlation of threat data from various sources to establish the identity and modus operandi of hackers active in client's networks and posing a potential threat. Provides the customer with asses