481 - 500 of 668 Jobs

Cisco UC Specialist

Leidos

Tampa, Florida, USA

Full-time

Description 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 sustainable. 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 the kind of environment

Information Systems Security Officer (ISSO3) (Government)

AT&T Inc.

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. 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. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

Information Systems Security Officer (ISSO)

RTX Corporation

Middletown, Rhode Island, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: RI201: 127 John Clarke Road Middletwn 127 John Clarke Road Suite 3, Middletown, RI, 02842 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 RTX BBN has an immediate need for Information Systems Security Officer (ISSO). The role of the ISSO is to

Cyber Security Engineer

Leidos

Springfield, Virginia, USA

Full-time

We are seeking a Cyber Security Engineer who is responsible for developing and implementing advanced security solutions to defend critical systems, networks, and data against evolving cyber threats. This role combines technical expertise in both software and hardware to support the design and deployment of defensive cyber measures. The engineer conducts research on current and emerging cyber threats, identifies vulnerabilities, and ensures that development environments and operational systems re

Principal Systems Security Engineer (ONSITE)

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-04-16 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: Security Clearance: Secret - Current Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is seeking a highly skilled Principal Systems Security Engineer (PSSE) to drive cybersecurity initiatives, ensure compliance with securi

Vulnerability Remediation and Patching Support Technician

SAIC

Aberdeen, Maryland, USA

Full-time

Job ID: 2507413 Location: ABERDEEN, MD, US Date Posted: 2025-07-09 Category: Cyber Subcategory: Cyber Ops Center Support Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Vulnerability Remediation and Patching Support Technician to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full

Cybersecurity Engineering Professional

Akima, LLC

Fort Meade, Maryland, USA

Full-time

Compass Point is looking for a Cybersecurity Engineering Professional to work in location. To join our team of outstanding professionals, apply today! Analyzes, retrieves, catalogs, and safeguard digital data related to cybercrime investigations. Researches and evaluates equipment and software that helps in recovering necessary data. Tests new software to ensure functionality. Documents artifacts and deliverables according to set standards. Conducts complex and high-profile, non-destructive eva

Senior Advanced DevOps Engineer

General Dynamics

Boulder, Colorado, USA

Full-time

Basic Qualifications Education Requirements: Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred. Clearance Requirements: Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibil

Advanced DevOps Engineer

General Dynamics

Boulder, Colorado, USA

Full-time

Basic Qualifications Education Requirements: Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred. Clearance Requirements: Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibil

Information Systems Security Officer (ISSO)

Kentro

Tampa, Florida, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Systems Administrator SIPR (Onsite)

RTX Corporation

Largo, Florida, USA

Full-time

Date Posted: 2025-07-14 Country: United States of America Location: FL410: Largo FL MFG 7887 Bryan Dairy Road , Largo, FL, 33777 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: Top Secret This is a great opportunity for job seekers with experience in Classified IT Systems Administration and the defense industry to jo

Information System Security Officer 3

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information System Security Officer 2

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

IT Systems Engineer, Staff / Secret / Onsite: KoP, PA

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description Lockheed Martin Enterprise Operations (EO) is actively seeking an experienced information technology (IT) professional to support the Space business area classified program areas located in Valley Forge, Pennsylvania. Deep expertise in technical leadership, Linux server, Windows server, storage and network administration are essential elements in providing support for these complex classified environments. The candidate will need a strong understanding of TCP/IP, IT security pri

IT Systems Engineer, Sr / Top Secret / Onsite: KoP, PA

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description Lockheed Martin Enterprise Operations (EO) is actively seeking an experienced information technology (IT) professional to support the Space business area classified program areas located in Valley Forge, Pennsylvania. Deep expertise in technical leadership, Linux server, Windows server, Storage and network administration are essential elements in providing support for these complex classified environments. The candidate will need a strong understanding of TCP/IP, IT security pri

Junior Cloud Engineer

Leidos

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Junior Cloud Engineer to support a fast-paced program with the Air Force Life Cycle Management Center. The Junior Cloud Engineer will deploy, maintain, and scale hybrid cloud digital infrastructure for an Air Force Lifecycle Management Command (AFLCMC) customer. This position requires a fast-learning, high-performing candidate with a proven history of delivering cloud solutions to customers. The ideal candidate will have experience i

Information Systems Security Officer

Kratos Defense and Security Solutions, Inc.

Glen Burnie, Maryland, USA

Full-time

Job Description The Information Systems Security Officer is responsible for the day-to-day operations and support of classified information systems at our Kratos Defense & Rocket Support Services, Glen Burnie, MD facility. This will include physical and environmental protection, personnel security, incident handling, security training and awareness. The successful candidate will be required to work in close coordination with the site's ISSM in monitoring the information system(s) in its enviro

Information Systems Security Officer (ISSO) - Clearance reqd @ APG, MD

ICF

Remote or Aberdeen, Maryland, USA

Full-time

INFORMATION SYSTEM SECURITY OFFICER ICF is hiring a cleared Information Systems Security Officer. This is a full-time, on-site position located at Aberdeen Proving Ground, MD. Join us in support of the Army Program Executive Office - Intelligence Electronic Warfare and Sensors to assess cybersecurity risks, evaluate and test security controls, and recommend solutions to enhance the organization's security posture. The role includes reporting findings to management, overseeing remediation effort

Network Engineer, Lead

BOOZ, ALLEN & HAMILTON, INC.

Maryland, USA

Full-time

Network Engineer, Lead Key Role: Serve as a lead network engineer responsible for supporting, engineering, and reengineering complex enterprise network infrastructure. Focus on enhancing network performance, security, and reliability across both data center and campus environments. Lead the resolution of high-impact network incidents and drive smooth transitions during system upgrades and infrastructure modernization. Apply advanced expertise in Cisco technologies-including Identity Services Eng

Information Systems Security Engineer (ISSE)

Apex Systems

Washington, District of Columbia, USA

Full-time

Job#: 2080503 Job Description: Apex Systems is seeking an Information Systems Security Engineer (ISSE) to support the US Airforce at the Pentagon. If interested, email your resume. Position: ISSE Location: Fully onsite @ the Pentagon Hours: M-F 8 hour shift between 6AM-6PM Job type: Long term contract Certifications: Must have Security + Overview: Seeking high-level IT Professionals to provide cyber security and security engineering services including system security engineering, cybersecuri