{"id":1258680,"url":"https://alion.io/job/x-energy-engineer-iv-cybersecurity","title":"Engineer IV, Cybersecurity","company":{"id":1789545,"name":"X-energy","domain":"x-energy.com","url":"https://alion.io/company/x-energy","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Rockville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":205000,"currency":"USD","period":"year","gross":null,"usd_annual":205000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Docker","optional":false},{"name":"Kubernetes","optional":false},{"name":"Machine Learning","optional":false},{"name":"PKI","optional":false},{"name":"SIEM","optional":false},{"name":"Splunk","optional":false},{"name":"STRIDE","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-08-26T00:00:00Z","employer_posted_date":"2026-08-26","last_verified_at":"2026-09-26T19:42:49Z","board_verified":true,"closed_at":null,"days_open":32,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":32},"description":"X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us.\nJob Description\nThis role is responsible for developing, implementing, and maintaining key cybersecurity technologies across both X-energy corporate and TRISO fuel facility operations, including Endpoint Detection and Response (EDR), Network Detection and Response (NDR), Security Information and Event Management (SIEM), and Security Orchestration, Automation, and Response (SOAR). The position serves as a critical bridge between corporate IT infrastructure and the TRISO fuel facility, conducting software evaluations, performing architecture reviews, and identifying and addressing cybersecurity gaps between the two environments.In addition to the tooling and operations duties, this role leads structured threat modeling and cyber evaluation activities. The analyst applies established methodologies such as STRIDE to identify, categorize, and prioritize threats across systems, data flows, and trust boundaries spanning the corporate and TRISO fuel facility environments. This includes facilitating threat modeling sessions during architecture reviews and software evaluations, translating identified threats into actionable mitigations, and reassessing threat models as architectures evolve to ensure security gaps between environments are documented, tracked, and remediated.\nResponsibilities include conducting proactive threat hunts, monitoring endpoint and network data, collecting and analyzing digital forensic artifacts including malware, coordinating with the Xe infrastructure team, and meeting with technology vendors to evaluate solutions that support enterprise-wide security objectives.\nJob Profile Tasks/Responsibilities\nEDR, NDR, SIEM, and SOAR Implementation:Design, implement, and maintain EDR, NDR, SIEM, and SOAR systems.\nConfigure and optimize security tools to improve detection capabilities and response times.\n\nThreat Hunting:Conduct proactive threat hunting activities to identify potential vulnerabilities and threats.\nUtilize advanced analytical techniques to uncover hidden threats within the environment.\n\nMonitoring and Analysis:Monitor endpoint and network data for anomalies and suspicious activities.\nAnalyze security alerts and incidents to determine the nature and scope of threats.\n\nDigital Forensics:Collect and analyze digital forensic artifacts from compromised systems.\nInvestigate malware and conduct reverse engineering to understand threat behavior.\n\nCollaboration and Reporting:Collaborate with IT and security teams to improve overall security posture.\nPrepare detailed reports on security incidents, findings, and recommendations for management.\n\nMaintain professional demeanor and behavior at all times in all forms of communication.\nPerform other duties as assigned by manager.\nLead the execution of the core tasks and responsibilities, listed in the Job Profile Task/Responsibilities section of this document, without close supervision and some latitude for independent judgment.\nLead the deployment of security technologies and conduct in-depth analysis of threats.\nProvide feedback and guidance to more junior team members with the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document.\nShares knowledge related to industry best practices and standards with others across the team.\nJob Profile Minimum Qualifications\nHigh school diploma required.\nBasic understanding of EDR, NDR, SIEM, and SOAR technologies.\nAbility to obtain and maintain a SECRET clearance or higher (U.S. citizenship required).\nTypically, 10 years of experience in a cybersecurity, network security, or related role required.\nCertified Information Systems Security Professional (CISSP).\nDirect knowledge and experience managing cybersecurity tools such as NDR, EDR, and SIEM.\nExperience with Splunk.\nExperience with Identity & Access Management technologies including Federation, Multi-Factor Authentication (MFA), and Public Key Infrastructure (PKI).\nExperience with cloud technologies to include AWS, Azure, Docker, Kubernetes, and DevSecOps.\nExperience with integration of cybersecurity tools to support an Enterprise level Cybersecurity program.\nExperience leveraging Artificial Intelligence (AI), Machine Learning (ML), and Orchestration to secure the environment.\nJob Profile Preferred Qualifications\nExperience working in the nuclear industry or familiarity with nuclear facility operations and regulatory requirements.\nDemonstrated networking background with hands-on experience in network architecture, protocols, and security.\nExperience conducting software evaluations and technology assessments to support organizational security objectives.\nExposure to DevSecOps practices, tools, and methodologies.\nExperience with cloud platforms, specifically Amazon Web Services (AWS) and Microsoft Azure.\nHands-on experience with threat modeling methodologies (STRIDE or similar frameworks) and a repeatable cyber evaluation process.\nExperience bridging cybersecurity programs across multiple operational environments (e.g., corporate IT and operational technology/facility systems).\nProven ability to coordinate with cross-functional infrastructure teams and engage with external vendors.\nStrong written and verbal communication skills with the ability to prepare technical reports and recommendations for both technical and non-technical audiences.\nLocation: 9801 Washingtonian Boulevard, Gaithersburg, Maryland\nWork Site Expectations: Remote Eligible\nTravel Expectations: 10% (as needed for project assignment)\nHours: Standard office hours are 8:00am ET to 5:00pm ET, Monday -Friday\nCompensation\nAs required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g. education/training, experience, skill sets, etc.). Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them. Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions. Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives.\nOffers within the posted salary range are commensurate with the individual’s qualifications for the position, along with a view on internal equity, market data, and room for growth. The salary range for this position is:\n$180,000- $205,000Position Job Classification\nFull time - ExemptBenefits\nX Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/ProfessionalDevelopment policy that supports the continuing education of our employees.\nAn Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.\nX Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work.\nRight To Work Link: If you have the right to work, don't let anyone take it away (e-verify.gov)\nE-Verify Participation Link: E-Verify Participation Poster English and Spanish","description_format":"text","description_chars":8060,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"high_school","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan","Equity","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security","Energy & Utilities","Security Operations"],"lifecycle":[{"event":"open","at":"2026-09-25T19:45:00Z"}],"liveness":{"score":38,"band":"fade","label":"Fading","p_open":1,"p_active":0.683,"p_room":0.55,"age_days":31,"expected_fill_days":31,"reasons":["conf:10","win:tail","comp:brand"],"computed_at":"2026-09-26T05:45:00Z"},"pay":{"stated_usd_annual":205000,"is_top_pay":true},"html_url":"https://alion.io/job/x-energy-engineer-iv-cybersecurity","json_url":"https://alion.io/job/x-energy-engineer-iv-cybersecurity.json","meta":{"generated_at":"2026-09-27T01:58:50Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1771,"day_limit":5000,"remaining_today":3229,"minute_limit":60,"resets_at":"2026-09-28T00:00:00Z"}}}