Information Security Engineer I - On-Site Threat Defender
Appian Corporation
Appian is hiring an Information Security Engineer I in McLean, VA, on-site five days a week. The role focuses on designing and implementing detection technologies to protect a global enterprise automation platform from threats, with ownership over intrusion detection and cloud-based defense strategies. The team values rigorous security practices, collaborative problem-solving, and hands-on work across Windows/Linux environments and enterprise platforms. #J-18808-Ljbffr
- ...accomplishing hard things, together. Information Security Engineer I Are you ready to build... ...platform from modern cyber threats? As a Security Engineer,... ..., VA | Work Model: On-site (5 days/week) About the Team... ...quickly adapt, monitor, and defend against modern attacker...WebsiteInternshipLocal area
$99k - $225k
Information Security Engineer, SeniorThe Opportunity:Are you looking for an opportunity to share your experience... ...tools, you’ll assess security threats and implement infrastructure controls... ...the Resource page on our Careers site and reviewing Our Employee Benefits page...WebsiteFull timeContract workPart timeWork at officeLocal areaRemote work$50 per hour
...accomplishing hard things, together. Appian's Information Security team operates at the heart of our... ...evaluate the evolving cyber threat landscape, assess security risks, and... ...Cybersecurity, Computer Science, Computer Engineering, Information Technology, Information Systems...SuggestedHourly payFull timeSummer workInternshipSummer internshipWork at officeLocal area$99k - $225k
...your experience in network security, DNS, IPAM, and security analysis... ...-level business? As an Information Security Engineer, you can identify the... ...tools, you’ll assess security threats and implement infrastructure... ...Resource page on our Careers site and reviewing Our Employee...WebsiteFull timeContract workPart timeWork at officeLocal areaRemote work$105.79k - $141.05k
...network and connected ecosystem. We enable secure, high‑performance connectivity across... .... The Role Red Team - Lead Information Security Engineer The Lead Information Security... ...(ACE) exercises, including AI-driven threat scenarios, to evaluate and strengthen...WebsiteFull timeTemporary workRemote work$99k - $225k
Data Security EngineerThe Opportunity:Architect, deploy, and configure... ...and internal delivery and engineering teams. Assist in building custom... ...of federal information security policies, standards,... ...Resource page on our Careers site and reviewing Our Employee Benefits...WebsiteFull timeContract workPart timeLocal areaRemote work$103.8k - $218.1k
Job Title: Cyber Security/Information Assurance Engineer Job Category: Information Technology Time Type: Full... ...encryption). Knowledge of cyber threats and known vulnerabilities from... ...buffer overflow, mobile code, cross-site scripting, Procedural Language/Structured...WebsiteFull timeContract workWork experience placementLocal areaFlexible hours- ...Description Job Title: Senior Data Security Engineer – Microsoft Purview Location: Washington, DC (On-site) Employment Type:... ...hands-on SME for Purview DLP, Information Protection, Sensitivity... ...and integrate with Microsoft Defender XDR and Microsoft Sentinel....WebsiteContract work
$135k - $216k
...generation national security company that... ...and nontraditional threats across all domains... ...Network Security Engineer (Firewall & Vulnerability... ...: Hybrid - On-site Monday through Wednesday... ...tune Microsoft Defender security policies... ...'s degree in Information Technology, Computer...WebsiteContract workTemporary workCurrently hiringRemote workShift work- ...Description Endpoint Security Engineer As an Endpoint... ...and 30,000 physical sites, you will maintain rigorous... ...Falcon, Microsoft Defender for Endpoint, SentinelOne... ...during high-severity threat detection and... ...Science, Cybersecurity, Information Systems. If the individual...WebsitePermanent employmentInterim roleCasual work
- ...position will serve as a member of the Exostar Information Security Office and will report to the Manager of Governance & Engineering. This role is responsible for designing and... ..., and remediation verification. Perform threat modeling and security risk assessments and...Work at officeFlexible hours
- ...Description LT Consulting is seeking an Information Security (INFOSEC) Engineer responsible for maintaining the integrity and security of enterprise... ...the cyber security of communications networks. Reviews threat data from various sources and develops custom...
- ...Palantir Technologies seeks an Insider Threat Detection Engineer to protect data, people, and assets worldwide. You will build automated... ...identify insider risks. You will collaborate with the Information Security team to strengthen defenses, influence controls, and...Worldwide
$145k - $200k
...Insider Threat Detection EngineerPalantir builds the world's leading... ...an Insider Threat Detection Engineer, you are responsible for... ...integrity and genuine passion for security. You work well on a team, are... ...insider riskInfluence and inform security controls designed to...Work experience placementWork at officeRemote workWork from homeRelocation package- ...Booz Allen Hamilton is seeking an Information Security Engineer to lead security solutions across our enterprise infrastructure in Reston, VA. You... ...troubleshoot complex security challenges, research current threats, and mentor teammates, using Check Point and Infoblox to...Remote work
$85.19k - $185k
...operations communities to defend our interests in... ...emerging threats. Our capabilities... ...architecture, reverse engineering, software and hardware... ...of national security solutions for government... ...a CI poly.Information Assurance Engineer... ...engage with field sites, perform on site technical...WebsiteFull timeWork experience placementLocal areaWorldwide$86.8k - $198k
...Data Security Engineer The Opportunity: Everyone is trying to "harness the cloud"... ...capabilities that safely govern sensitive information across Micro sof t 365 cloud services... ...visiting the Resource page on our Careers site and reviewing Our Employee Benefits...WebsiteFull timeContract workPart timeLocal areaRemote work$178.4k - $226.7k
...the world. We are seeking a Senior Information Systems Security Engineer (ISSE) to raise the security bar for... ...boundaries, control allocation, data flows, threat models, and defense-in-depth... ...secure sensitive networks across ALG sites.Basic qualifications- 4+ years of non...WebsiteInternshipImmediate startFlexible hours$145k - $200k
...Washington, D.C. Information Security / Full-time / Hybrid A World-Changing Company... ...We're looking for an Information Security Engineer who can think broadly about how infrastructure is built, attacked, defended, and improved. You may have deep...Full timeWork experience placementWork at officeRemote workWork from homeRelocation package$116k - $125k
...next steps. Our partner is looking for a Security Engineer II (Data Protection and Network... ...Qualifications: Experience with security information and event management (SIEM) tools or IT... ...offices. Hybrid employees generally work on-site Tuesdays and Wednesdays. Full-Time...WebsiteFull timeRemote work$100k - $200k
...accomplishing hard things, together.AI Security Engineer (Agentic SOC)Location: McLean, VA | On-site (5 days/week)Are you ready to... ...platform from modern cyber threats? As a Security Engineer, you... ...infrastructure.ABOUT THE TEAMThe Appian Information Security department...WebsiteWork experience placementLocal areaFlexible hours$99k - $225k
Cyber Threat Intelligence Analyst Subject Matter ExpertThe Opportunity... ...and analysis of cyber threat information using tools and technologies... ...Knowledge of information security and information technology threats... ...Resource page on our Careers site and reviewing Our Employee...WebsiteFull timeContract workPart timeLocal areaRemote work$178.4k - $226.7k
...AWS Security is on the innovation of many security issues for a wide... ...a Sr. Application Security Engineer to help validate that our services... ...and quickly reacting to new threat scenarios. You will have the... ...of the application of Information Security in a broad range of...WebsiteInternshipFlexible hours$119.8k - $234.7k
...type: Full-TimeWork site: Fully on-siteRole... ...25%Profession: Security EngineeringDiscipline... ...Operations Engineer, where engineers build... ...-scale computing, threat modeling, cyber security... ...(SIEM), information technology (IT), or... ...solutions (Purview, Defender, Entra, Intune, or...WebsiteOngoing contractLocal area$178.4k - $226.7k
...looking for a Systems Security Engineer to join the Leo Infrastructure... ...assessments, perform threat modeling for... ...efficient. If you want to defend space-grade hardware... ...with infrastructure, site operations, procurement... ...please visit for more information. If the country/region...WebsiteContract workInternshipWorldwideFlexible hoursDay shift$120k - $203k
...Senior Edge Security Engineer Job Description Overview CoStar... ...and residential real estate information, analytics, and online marketplaces... ...OWASP, DDoS, and emerging threat patterns. Drive bot... ...suite, including Kona Site Defender, Bot Manager, Client Reputation...WebsiteWork at officeWork from homeMonday to Thursday$183k - $247.6k
...Senior Security EngineerAWS Forward Deployed Engineering (FDE) embeds AI engineers directly inside... ...security reviews, perform threat modeling, build security... .... Mid-morning you're on-site with the customer's... ...please visit for more information. If the country/region you...WebsiteInternshipLocal areaFlexible hoursDay shift$178.4k - $226.7k
...flexibly harness compute, storage, security, and other services from... ...Senior Application Security Engineer to help validate that our services... ...and quickly reacting to new threat scenarios. You will have the... ...of the application of Information Security in a broad range of...WebsiteInternshipFlexible hours$106.99k - $152k
...operations communities to defend our interests in... ...emerging threats. Our capabilities... ...architecture, reverse engineering, software and hardware... ...is seeking an Information Assurance Engineer... ...critical role in securing the VIPER engineering... ...requires on-site work Monday through...WebsiteFull timeWork experience placementWork at officeLocal areaRemote workWorldwideMonday to Thursday$105k - $125k
NVR, Inc. is seeking a Senior Security Engineer to work on site in Reston, VANVR’s technology teams thrive... ...Senior Security Engineer to join our Information Security team. In this senior... ...lifecycle. Research emerging security threats, technologies, products, and best practices...WebsiteWork experience placement
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