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Washington, District of Columbia

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Today

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Description Title: Information Systems Security Developer Location: Hybrid, Washington, DC Terms: Full-time Clearance: Ability to obtain a Public Trust Travel: 0-20% Position Description: Harmonia is seeki

Full-time

Senior Information Systems Security Officer (ISSO-S)

Fort Meade, Maryland

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4d ago

Position: Sr. Information Systems Security Officer (ISSO-S)Location: Fort Meade, MD (Accept non local with relocation)Job Type: 12+ month Contract Full Polygraph Required Job Description:Summary of Job:Client is seeking a highly experienced Senior ISSO-S.The ISSO-S is responsible for leading the development, implementation, and oversight of cybersecurity policies and procedures for complex, classified systems.This role ensures compliance with federal regulations and industry standards, manages r

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Full-time

90 - 100

Information Systems Security Manager

Washington, District of Columbia

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Today

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Description Title: Information Systems Security Manager Location: Hybrid, Washington, DC Terms: Full-time Clearance: Ability to obtain a Public Trust Travel: 0-20% Position Description: Harmonia is seeking

Full-time

Information Systems Security Officer (ISSO)

Washington, District of Columbia

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Today

Position Overview Customs and Border Protection's Unmanned Aircraft System (CBP UAS) Program Office has the need to ensure its UAS networks are secure. To accomplish this, the contractor shall provide an ISSO with the detailed knowledge and expertise required to ensure the implementation and maintenance of security controls in accordance with all applicable laws, standards, guidance, and best practices required for a valid Authorization to Operate (ATO) as assigned by the CBP Authorizing Offici

Full-time

Senior Information Systems Security Engineer (ISSE)

Tysons, Virginia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Full-time

USD 171,700.00 - 211,800.00 per year

Information Systems Security Manager (ISSM)

McLean, Virginia

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Parsons is looking for a talented Information Systems Security Manager

Full-time

Information Systems Security Officer (ISSO)

Washington, District of Columbia

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Today

Overview GovCIO is currently hiring for a/an Information Systems Security Officer (ISSO) with an active TS/SCI clearance. This position will be 4 days onsite in Washington, DC with 1 day remote. Responsibilities Assisting the government in the assessment process for all new and legacy systems to determine the security requirements associated with each system The contractor shall interact with both technical and non-technical personnel in order to conduct a comprehensive review of a system, ne

Full-time

USD 130,000.00 - 140,000.00 per year

Information Systems Security Manager - TS/SCI w/Polygraph

McLean, Virginia

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Today

Type of Requisition: Regular 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: Cyber and IT Risk Management Job Qualifications: Skills: Computer Security, Documentations, Information Assurance, RMF Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as an Informat

Full-time

USD 161,753.00 - 218,840.00 per year

Zero Trust Information Systems Security Engineer

Fort Belvoir, Virginia

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Today

Job Number: R0233415 Zero Trust Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the information system security engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and i

Full-time

USD 86,800.00 - 198,000.00 per year

Lead Information Systems Security Engineer (ISSE)

Hybrid in Washington, District of Columbia

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Yesterday

Lead Information Systems Security Engineer (ISSE) Location:Washington, DC (Hybrid 3 days onsite / 2 days remote) Employment Type:Full-Time Clearance:Must be eligible for an Active Public Trust We are seeking a Lead Information Systems Security Engineer (ISSE) to provide technical leadership and hands-on security engineering support for federal cloud and enterprise systems. This role focuses on securing cloud-based architectures, integrating security across the system lifecycle, and supportin

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Full-time

180,000 - 190,000

Information Systems Security Manager (ISSM)

Lorton, Virginia

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Today

The Defense Sector at Leidos is looking for an Information Systems Security Manager (ISSM) to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission success while adhering to DoD standards and regulations. The ISSM will oversee the cybersecurity posture of DoD information systems, ensuring compliance with DoD security standards and protecting sensitive data. The ISSM will

Full-time

USD 107,900.00 - 195,050.00 per year

Information Systems Security Engineer

Sterling, Virginia

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Today

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

Full-time

Information Systems Security Engineer (ISSE) Top Secret Clearance w/SCI eligibility

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS is seeking a highly experienced Information Systems Security Engineer (ISSE) to support a Special Access Program (SAP) in Arlington, VA. This role is suited for an experienced security engineer who combines deep JSIG and RMF expertise with hands-on security assessment experience across both Linux and Windows systems in highly restricted environments. The ideal candidate understands security controls at an engineering level and can author, tailor, and defend documentat

Full-time

USD 129,800.00 per year

Information Systems Security Engineer (ISSE)

Lorton, Virginia

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Today

Information Systems Security Engineer (ISSE) Location: Lorton, VA Work Type: Onsite Remote Work: No Job Description We are seeking Information System Security Engineers (ISSEs) to join a high-performing team of experts in Cybersecurity, Cloud, and Systems Engineering. This team will support the development and sustainment of secure enclaves, providing enterprise services and cyber network defense capabilities. As an ISSE, you will be responsible for conducting security assessments, engineering

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Full-time

$140,000 - $160,000

Information Systems Security Officer - TS/SCI

Herndon, Virginia

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: In this role as a Information systems security Officer you will develo

Full-time

USD 120,800.00 - 217,400.00 per year

Information Systems Security Officer (ISSO)

Fort Meade, Maryland

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Today

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking an Information Systems Security Officer for defense and national security missions. Role Responsibilities Include: Validates and verifies system se

Full-time

USD 162,000.00 per year

Information Systems Security Engineer

Linthicum Heights, Maryland

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Today

Leidos is currently seeking an Information Systems Security Engineer to support our customer onsite. The ISSE shall perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established IA standards and regulations and recommended mitigation strategies. This includes: Validates and verifies system security requirements definitions and analysis and establishes system security designDesigns, develops, implements and/or in

Full-time

USD 107,900.00 - 195,050.00 per year

Information Systems Security Manager (ISSM)

Columbia, Maryland

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Today

Date Posted: 2026-01-15 Country: United States of America Location: US-MD-COLUMBIA-720 ~ 9861 Broken Land Pkwy ~ BBN COLUMBIA, Ste 400 Position Role Type: Unspecified 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 RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military an

Full-time

USD 118,300.00 per year

Information Systems Security Engineer (ISSE 0) (Government)

Columbia, Maryland

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Today

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. RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, w

Full-time

USD 69,000.00 - 113,100.00 per year

Information Systems Security Officer (ISSO) - TS/SCI with Polygraph

Herndon, Virginia

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Today

Type of Requisition: Regular 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: Cyber and IT Risk Management Job Qualifications: Skills: Information Security, Information Technology Security, System Security Plans Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own the opportunity as an Information Systems Se

Full-time

USD 158,950.00 - 215,050.00 per year

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