ISSE for HPC Security Engineer (Top Secret/SCI) Arlington
AMERICAN SYSTEMS
AMERICAN SYSTEMS, a federal contractor, seeks an experienced Information Systems Security Engineer (ISSE) to support RHEL and Windows in an HPC environment in Arlington, VA. The role requires Top Secret/SCI clearance and hands-on security engineering across Linux, Windows, and SAP ecosystems. This position includes a $10,000 sign-on bonus and a comprehensive benefits package. You will design secure architectures, develop RMF/JSIG artifacts by hand, perform security assessments, manage POA&Ms, #J-18808-Ljbffr AMERICAN SYSTEMS
$80k - $150k
...Communications Location : Arlington, VA (onsite, parking pass... ...experience) Summary As a Network Engineer, you will review and... ..., implement, and maintain secure, high-performance network... ...administration. Have an active DoD Top Secret clearance with SCI eligibility. One of the...SuggestedPermanent employmentFull timeWork experience placementFor subcontractorRemote work$85k - $110k
...enhance ISR operations. Candidates should possess a Bachelor's degree, at least 4 years of experience, and a U.S. citizenship with a TOP SECRET/SCI clearance. The position offers an annual salary range of $85,000 to $110,000 along with a comprehensive benefits package. #J-1...SuggestedWork at office- ...superior analytical and writing skills and should be committed to upholding the Constitution. The role requires obtaining a TOP SECRET/SCI security clearance and passing drug screening. This position offers a challenging environment in national security law. #J-18808-...Suggested
$164.38k - $212.75k
...Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able... ...Information Assurance, Information System Security, Risk Assessments... ...opportunity as a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) with GDIT. A career in...SuggestedFull timeTemporary workPart timeFor contractorsInterim roleSummer workImmediate startRemote workWorldwideRelocationFlexible hours$130k - $145k
...SECURITY CLEARANCE REQUIREMENT: TS, WITH SCI ELIGIBILITY ***POSITION REQUIRES US CITIZENSHIP*** Position Title... ...: Information System Security Engineer (ISSE) Mid Location: Washington DC (... ...Required: Current U.S. Government Top Secret Clearance w/ SCI and a CI-...SuggestedFull time- Revolutional seeks a Senior Network Engineer to design, deploy, and manage enterprise... ...expertise, firewall leadership, and top-tier security knowledge. Expect hands-on... ...collaboration across teams. Active Top Secret clearance with SCI eligibility and US citizenship are required...
$104k - $166k
...Location: Full-time, on-site, Arlington, VA. In this role, you will:... ...certifications: CCNA-Security, CND, CySA+, GICSP, GSEC, Security+... ...citizenship required. An active Top Secret security clearance.... ...to obtain a final Top Secret/SCI security clearance. Preferred...Full timeContract workShift work$140k - $180k
Job Title: Data Loss Prevention (DLP) Security Engineer Location: Remote Clearance Required: Active Secret or Top-Secret Salary Range: $140K-$180K Based on Experience Application Deadline: July 7, 2026 Certification Required: CySA+ and SC-401 or Forcepoint Certified...Remote job$178.5k - $241.5k
...Must Currently Possess: Top Secret SCI + Polygraph Clearance Level... ...: Skills: Cloud Security, Greenlight Oracle Access Violation... ...: A career as an ISSE at GDIT means owning every opportunity... ...to work with developers and engineers to determine appropriate...Full timeTemporary workPart timeWork experience placementImmediate startRemote workWorldwideFlexible hours- ...lake solutions within AWS classified (ADC) regions. Active TS/SCI security clearance required; must be eligible for CI Polygraph.... ...tagging, and compartmentalization policies Qualifications Active Top Secret/SCI security clearance For positions requiring a federal...
$93.66k - $121.9k
...Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other... ...LAN/WAN NETWORKING, Network Engineering Certifications: Certified... ...Associate (CCNA) | Cisco, CompTIA Security+ CE | CompTIA Experience: 2... ...program at the Pentagon in Arlington, VA. Selected candidate...Full timeTemporary workFor subcontractorRemote workFlexible hoursDay shift- ...a several Principal Technical Support Engineer to work on-site -Located onsite Military... ...locations!! YOU MUST HAVE-Active Top Secret/SCI Clearance !! Six-figure base salary +... ...as a subject-matter expert on Network security products. The SRE relies on experience...
$130.69k - $222.17k
...The Work ICF is seeking an experienced and driven Software Security Engineer to lead and oversee mission‑critical initiatives in support... ...and external partners. What You Will Bring With You Active Top Secret clearance. Proven experience (8+ years) in application security...Full timeContract workLive inWork at officeImmediate startRemote work$160k - $172k
Information Systems Security Engineer (ISSE) KBR’s National Security Solutions team provides high-end engineering and advanced technology... ...cybersecurity, networking, or programming. Current/active Top Secret/SCI; Current or recent DoD SAP access. Subject to a...Temporary workLocal areaRelocation packageFlexible hours$88.2k - $173.5k
Information Systems Security Engineer (ISSE) - Senior Position Description... ...This position is located in Arlington, VA. Your future duties and... ...Candidates must possess an active TS/SCI clearance with polygraph •... ...individuals at or near the top of the range for their role....Local area$112k - $179k
Responsibilities Peraton is seeking an Information Systems Security Engineer (ISSE) to support our customer onsite in Washington D.C.... .../MA; 6 years with no degree ~ Must possess an active Top Secret with SCI Eligibility ~ Must be DoD 8570.1-M/8140 IAT Level III...Contract workShift work- ...impact by connecting and securing critical operations... ...opportunity as a Network Engineer at GDIT. Shape what’s next... ...at the Pentagon in Arlington, VA.Selected candidate... ...clearance level: Active Top Secret required with the ability to obtain SCI. Certifications: Current...Full timeFor subcontractorRemote workDay shift
$174k - $253k
Senior Security Engineer, AI/ML, National Security, Public Sector Job Level Mid Location and... ...time as needed. Must possess an active Top Secret/SCI security clearance with current... ...-premises high-performance computing (HPC) systems. About the job Our Security...Temporary workWork at officeLocal areaRemote workWorldwide$148.75k - $201.25k
...(AD) Systems Design Systems Engineering Job Description Type of Requisition... ...Level Must Currently Possess: Top Secret Clearance Level Must Be Able To Obtain: Top Secret/SCI Public Trust/Other Required:... ..., ensuring the reliability, security, and performance of Active...Temporary workImmediate startRemote workWorldwideFlexible hours- ...with full-stack technologies, including Java and JavaScript. This role requires a Top Secret Clearance and involves responsibilities like performing vulnerability research, reverse engineering, and using analysis tools. The company offers a competitive benefits package,...Full time
- ...: Secure our Nation, Ignite your Future Become an integral part of a diverse... ...In formation System Security Engineer (ISSE) to join our team in Washington DC... ...Security Clearance Requirements: Active Top Secret clearance with SCI eligibility Program may require...Full timeWork at office
- ARGO Cyber Systems in Arlington, VA is seeking a cybersecurity compliance professional to interpret requirements and map them to controls.... ...posture, and produce clear written reports. US citizenship and active TS/SCI clearance are required. #J-18808-Ljbffr ARGO Cyber Systems
$90k - $130k
Location: Arlington, VA Job Type: Full-Time Clearance Requirement: TS/SCI Clearance Required Position Overview... ...access to secure enterprise data. As a... ...application, and social engineering assessments. Use a combination... ...security frameworks (OWASP Top 10), cloud...Full timeWork at office$103.54k - $147.92k
...cyber vulnerabilities, validating scan results, and collaborating with teams on remediation efforts. Candidates must have a Top Secret security clearance, relevant experience, and a degree in a related field. This position offers a competitive salary ranging from $103,...For contractors- ...DoW Chief Digital and AI Office in Arlington, VA. You will perform comprehensive security testing across applications,... ...guiding remediation efforts. Active TS/SCI clearance is required, with 3+ years... ...and strong knowledge of OWASP Top 10, cloud security, and scripting...Work at office
- SAIC is seeking a Cybersecurity Compliance analyst in Arlington, VA to provide administrative, technical, and analytical support... ...degree, 3+ years of relevant experience, and an active Top-Secret clearance with TS/SCI eligibility, plus IAM/IAT-II level certifications....
- 6AM City, LLC is seeking a motivated Senior Cloud Solutions Engineer for Bolling Air Force Base in Washington, DC. This role requires an active DoD Top Secret security clearance with SCI eligibility and involves designing and managing cloud infrastructure. The ideal candidate...Full time
$143.76k - $244.39k
...lead the design and implementation of secure, enterprise‑scale cloud solutions in... ...oversight across development, engineering, and operations teams. Conduct trade... ...What You Will Bring With You Active Top Secret Clearance with SCI Eligibility. 10+ years designing enterprise...Full timeContract workLive inWork at officeImmediate startRemote work- Waseyabek Development Company in Arlington, Virginia is seeking a qualified candidate for a role requiring Top Secret Clearance and extensive supervisory experience in physical... ..., including certifications from recognized engineering bodies. This position offers a chance to...
- ...contractor is looking for a Senior Network Engineer to support an enterprise VoIP management... ...network performance and ensuring security across multiple environments. Candidates... ...with Juniper networking devices. An active Top Secret security clearance is required for consideration...For contractors
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