{"id":3721960,"url":"https://alion.io/job/valiant-solutions-endpoint-security-engineer","title":"Endpoint Security Engineer","company":{"id":3886861,"name":"Valiant Solutions","domain":"valiantsolutions.com","url":"https://alion.io/company/valiant-solutions","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Security","role_family":"Security","seniority":"staff","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Springfield, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":101400,"max":144900,"currency":"USD","period":"year","gross":null,"usd_annual":144900},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Carbon Black","optional":false},{"name":"Linux","optional":false},{"name":"Tanium","optional":false},{"name":"Active Directory","optional":true},{"name":"CMMC","optional":true},{"name":"VMWare","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-11-04T03:02:45Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-04T12:21:21Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Position Description\nValiant Solutions is seeking an Endpoint Security Engineer to join our rapidly growing and innovative team!\nThe Endpoint Security Engineer will join a program that provides network and Cybersecurity services supporting an Intelligence Community customer. The team will support transport and cybersecurity information technology (IT) services across multiple networks and security domains at multiple locations worldwide, including new facilities and building construction, to support the IC mission.\nNamed one of the Washington Business Journal’s Best Places to Workevery year since 2014, Valiant is proud of our employee-centric culture and commitment to excellence. If you are interested in learning more about Valiant and this opportunity, we invite you to apply now!\nLocation: St. Louis, MO or Springfield, VA\nRequired Clearance: TS/SCI with the ability to obtain and maintain a CI Polygraph.\nRequired Education and Certifications:\nBachelor’s degree in Engineering, Computer Science, or related field with 6 years of additional experience (additional experience may be considered in place of a degree).\nCurrent DoD 8570 IAT Level II certification.\nCSSP Infrastructure Support certification within 6 months of hire date.\nDesired Certifications:\nCSSP Infrastructure Support certification at time of hire.\nLinux-related certifications.\nRequired Skills:\n10 years of technical experience in cybersecurity.\nWorking knowledge of maintaining enterprise cybersecurity engineering requirements using some or all of the following tools: Trellix, HBSS, Carbon Black Response/Protection, Microsoft ATA, and Tanium.\nStrong working knowledge of administering applications in a Linux environment.\nExperience with large-scale enterprise/global networks in a fast-paced, diverse environment.\nUnderstanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions.\nExperience providing status reports and products to senior management and customers.\nExperience planning, designing, and evaluating security systems and architectures\nDesired Skills:\nWindows Enterprise Active Directory (AD) architecture.\nVMware virtualization.\nResponsibilities:\nImplements and applies technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.\nProvides engineering and sustainment support for endpoint security solutions.\nEstablishes the computing environment by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards.\nProvides specific, detailed information on hardware and software selection, implementation techniques, and tools to meet business needs, including present and future capacity requirements.\nConfigures and installs security products using Linux OS.\nWorks with the software vendor and the customer to research, analyze, and implement enterprise-wide security solutions, capabilities, and enhancements to support customer business and mission goals.\nAssists with design, analysis, testing, and implementation of secure architectures.\nOversees security infrastructure sustainment, maintenance, and advanced configuration, including policy management, database administration, and security management tools.\nOversees the reporting, documentation, and investigation of all security-related incidents and leads the development and implementation of corrective measures.\nAbout Valiant Solutions\nValiant Solutions delivers cybersecurity and IT services to federal civilian, defense, and national security customers nationwide. We support the full cyber lifecycle, from secure system design and accreditation through AI-enabled operations, threat emulation, and continuous improvement, across classified and unclassified environments. Our work is independently certified for quality and security, including CMMI, CMMC, and ISO certifications.\nValiant is a multi-year Washington Business Journal Best Places to Work winner, and our growth and cyber leadership have been recognized by Washington Technology, Northern Virginia Technology Council, and the Triangle Business Journal. We offer strong benefits, rewards for earning industry certifications, and room to grow your career as we grow. Headquartered in McLean, Virginia, our distributed workforce supports customers from coast to coast. We go where the stakes are highest, and the margin for error is zero. If you want meaningful work alongside talented professionals, apply today.\nBenefits Snapshot\nValiant takes care of the people who support our customers, with real choices in coverage and real investment in your career. Eligible full-time employees receive:\nA choice of medical plans, from an affordable HSA option to a full-featured PPO, with generous company contributions\nDental and vision coverage for you and your family\nCompany-paid life, short-term disability, and long-term disability insurance\nOptional supplemental life, accident, and critical illness coverage to round out your protection\n401(k) retirement plan with company match\nPaid time off that grows with your years of service, plus paid federal holidays\nPaid certifications, professional development, and the Valiant University training portal\nFlexible spending accounts and a wellness and fitness program\nReferral bonuses when you help us bring great people to Valiant \nBenefit eligibility and plan details are subject to the terms of each plan and may change from time to time.\nThe anticipated salary range for this position is $101,400 - $144,900. This range reflects Valiant Solutions' good-faith estimate of the base salary reasonably expected for this position upon hire, at the time of posting. The range has been established based on the scope of the role, market rates, and internal equity. Where a candidate falls within the posted range will depend on job-related factors, including relevant skills, experience, qualifications, achievements, education, geographic location, applicable security clearance requirements, additional corporate responsibilities, and other legitimate, non-discriminatory business considerations. The posted range does not guarantee an offer at any particular salary. In addition to base salary, this position includes the benefits described above.\nRemote Work Policy (Remote and Hybrid Positions Only)\nRemote work necessitates a high level of trust in our employees. To ensure that employee performance does not suffer in a remote work environment, all employees who telecommute are expected to have a quiet and distraction-free workspace with adequate internet, dedicate their full attention and availability to their job duties during working hours, and maintain a schedule during core business hours that aligns with those of their coworkers and Valiant's clients. In alignment with Valiant's inclusive and engaging environment, cameras are encouraged and can be required to be on during virtual video conferences. Additionally, in alignment with the Office of the Inspector General’s effort to eliminate conflicting employment, all Valiant employees are required to disclose any current or future outside employment engagements. During onboarding and throughout employment, employees must disclose any current activities or intent to engage in outside employment or other professional activities and obtain written approval. Employees may not solicit or conduct any outside business during core business hours for Valiant Solutions and our clients.\nEqual Employment Opportunity\nValiant Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, age, disability, genetic information, marital status, protected veteran status, or any other characteristic protected by federal, state, or local law. Valiant Solutions provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation during the application or hiring process, please contact .\nPhysical Demands\nSitting or standing at a desk for prolonged periods and consistently operating a computer. Frequent communication and exchanging of accurate information via electronic communication, phones, and in person. Occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.\nAuthorization to Share Resume and Personal Information\nBy submitting your resume for this position, you authorize Valiant Solutions to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates, and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education, and experience. Should Valiant Solutions or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.","description_format":"text","description_chars":9179,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity","Professional development","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Endpoint Security","Vulnerability Management","Government","Information Security"],"lifecycle":[{"event":"open","at":"2026-11-04T03:02:45Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":14,"reasons":["conf:3","velocity","win:early"],"computed_at":"2026-11-04T06:34:25Z"},"pay":{"stated_usd_annual":144900,"is_top_pay":false},"html_url":"https://alion.io/job/valiant-solutions-endpoint-security-engineer","json_url":"https://alion.io/job/valiant-solutions-endpoint-security-engineer.json","meta":{"generated_at":"2026-11-04T14:09:31Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":21421,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-05T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3886861},"rest":"https://alion.io/mcp/rest/get_company?id=3886861"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvaliant-solutions-endpoint-security-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fvaliant-solutions-endpoint-security-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fvaliant-solutions-endpoint-security-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/valiant-solutions-endpoint-security-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvaliant-solutions-endpoint-security-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3721960}},{"tool":"search_jobs","arguments":{"company":"valiantsolutions.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3721960},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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