Jobs in United States

Tier 3 Network Security Analyst in United States

77 active opportunities · Updated October 2026

Explore current tier 3 network security analyst jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

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📍 Boise, ID - Main Site, United States
✓ Quality checkedCompany trend -74.1%

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. The Sr. Process Manager II - Construction Procurement role at Micron is an outstanding chance to lead and improve top-tier processes that promote operational excellence and compliance in construction. This role includes defining, optimizing, standardizing, and managing construction procurement methods to guarantee detailed performance, strict adherence to standards, and strong partner alignment. We will analyze current workflows, find gaps, develop future-state solutions, and guide cross-functional teams to efficiently implement procurement enhancements. Key Responsibilities Take responsibility for and consistently enhance the entire construction procurement cycle, covering sourcing readiness, requisitioning, purchase order management, supplier onboarding, buyout tracking, contract administration, invoicing, payment coordination, change order handling, and closeout procedures. Design, document, and maintain standard operating procedures, work instructions, workflow diagrams, RACI models, decision matrices, approval paths, and governance controls for construction procurement activities. Partner with Construction Procurement, contract management, logistics, Finance, Legal, project controls, and construction collaborators to gather requirements and translate business needs into scalable process solutions. Identify process gaps, inefficiencies, regulatory risks, unclear handoffs, duplicated work, and automation opportunities across procurement and contract administration wo

Artificial IntelligenceAISapProject Management
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📍 United States· Full-time· Remote
✓ Quality checkedCompany trend -92.7%

At Vanta, our mission is to help businesses earn and prove trust. We believe that security should be monitored and verified continuously, and we empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, and while some have prior security experience, many have been successful at Vanta without it. As a Senior Events Specialist on Vanta’s Strategic Events team, you’ll help execute high-visibility Tier 1 conference sponsorships and flagship programs, reducing execution risk and creating leverage for the broader team. The Strategic Events team creates high-impact experiences that connect Vanta with customers, prospects, partners, and the broader cybersecurity community. The team manages both Vanta-owned flagship programs and major third-party conference sponsorships, partnering across the organization to deliver strong experiences and support business goals. You’ll support a range of strategic events, including Tier 1 conference sponsorships and flagship programs. You’ll work across multiple overlapping timelines, coordinate with internal and external partners, and flag risks early so the team can triage them effectively. What you’ll do as a Senior Events Specialist at Vanta: Support planning and execution for Vanta’s presence at RSAC, Black Hat, Fal.Con, and AWS re:Invent, including sponsorship logistics, exhibit planning, booth design coordination, and on-site execution. You’ll ramp into the portfolio by shadowing AWS re:Invent, taking on planning responsibilities for RSAC, and supporting the strategy and execution of Black Hat. Coordinate sponsor deliverables such as speaking submissions, digital placements, lead retrieval, co-marketing, and event activations. Maintain detailed planning calendars, project trackers, and status updates across multiple events and overlapping workstreams. Identify dependencies and flag execution risks early so the team can triage issues and keep programs on track. Partner with Design, PMM, P

AWSGitRestAI
B
📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -83%

ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F , led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to to ship AI products. THE ROLE As a Software Engineer at on the Training Infrastructure team, you'll architect and lead development of our training platform, supporting top tier research engineers and model developers. You'll make key technical decisions for the infrastructure enabling developers to deploy, scale, and monitor their workloads with high performance and reliability. You’ll own scheduling, storage, networking, reliability, and observability of technical systems in the training stack EXAMPLE INITIATIVES Take a look at what we’ve built so far: Overview of the product so far Training docs overview Story of the Training product Research we've done RESPONSIBILITIES Design and architect scalable infrastructure systems for our ML training platform (e.g. scheduling, storage, and networking) Partner closely with developers and research engineers to translate complex training requirements into technical solutions Design and architect a global training scheduler Design and architect reinforcement learning systems and continuous learning pipelines Drive long-term improvements to improve reliability of systems and velocity of development Partner closely with SRE and Capacity teams to unlock state of the art training infrastructure Make critical architectural decisions balancing performance with system reliability Lead technical discussions and mentor junior engineers on infrastructure best practices Contribute to long-term technical strateg

PythonAWSGCPKubernetes
C
📍 United States· Full-time
✓ Quality checkedCompany trend -100%

At ClickUp, we're building the future of work: the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI. We are an AI-native company. Every team member is expected to leverage AI daily, and we evaluate AI fluency as part of our hiring process. Join us and help redefine what's possible. 🚀 Come join the Hierarchy Squad to build and optimize a set of tier 1 services that are at the core of ClickUp’s all-in-one productivity platform! Hierarchy owns the ClickUp filesystem that is at foundation of everything we build. We are searching for passionate engineers with exceptional critical thinking skills and technical prowess to help maintain, develop and scale high throughput services to support the company through accelerated growth. The ideal candidate will find the idea of architecting distributed systems that are reliable and highly performant exciting, has a knack for debugging and writing complex code and is excited by the challenge of building and maintaining a platform that every team in the company integrates with. Our key technologies include Typescript, Postgres, Kafka, NestJS running on Amazon Web Services. If this sounds interesting to you, we'd love to have you join our team! Responsibilities: - Develop and maintain robust, scalable backend systems using Node.js (Express and NestJS). - Collaborate with engineers, designers, and product managers to drive projects forward. - Tune and optimize database queries for maximum efficiency and performance. - Optimize and improve existing code for better performance and user experience. - Troubleshoot and debug issues, ensuring smooth operations. - Share your knowledge and expertise to foster a culture of learning and growth. Requirements: - 8+ years of professional experience building backend services for SaaS products. - Proven track record of building and scaling backend systems. - Expertise in relational database query optimizations (pre

TypeScriptReactNode.jsAngular
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📍 Foster City, California, United States· Full-time
✓ Quality checkedCompany trend -87.5%

About Replit Replit is redefining how software is built, and who gets to build it. Our mission is to achieve Autonomy for All: making programming accessible, collaborative, and powered by AI. As a Technical Sourcer , you won't just be filling seats; you’ll be the primary architect of the talent pipeline that builds the future of our Product and Engineering teams! We are seeking a Fixed Term Full Time employee for a 6 - 12 month term . The Mission At Replit, we don’t look for average engineers; we look for "10x" builders, creators. Your mission is to find the needles in the haystack; engineers who are deeply technical, product-minded, and excited by the challenge of democratizing coding. Key Responsibilities Strategic Pipeline Building: Identify and engage top-tier talent for Software Engineering (Product, Infra, AI/ML), Product Management, and Design. You know how to go narrow on niche roles and create a stacked funnel for evergreen roles. AI Forward: Manage a tech stack of sourcing tools and agents to power the top of the funnel. Creative Outreach: Be AI tool driven. Move beyond standard LinkedIn templates. You will craft highly personalized, technical, and compelling outreach that resonates with the Replit ethos. Deep Research: Map out talent across GitHub, Twitter (X), competitive startups, and niche developer communities to find "undiscovered" talent. Full Lifecycle Partnership: Work closely with Recruiters and Engineering Leads to calibrate profiles and refine the search strategy in real-time. Data-Driven Iteration: Track conversion rates and leverage data to pivot sourcing strategies when a search becomes "stale." Who You Are Experience: 4+ years of technical sourcing experience, preferably at a high-growth startup or a top-tier tech firm. Technical Fluency: You understand the tech stack in depth, can navigate a GitHub profile, and know why someone would fit our EPD team, company and values. Persistence: You have a "hunter" mentality. You enjoy the challenge o

S
📍 Bellevue, WA, United States· Full-time
✓ High-confidence listingCompany trend -92%
Quick readStrong listing-quality and freshness signals

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. The Grid Service and Platform Engineering team is looking for a highly motivated and collaborative Software Engineering Manager. This role involves leading the engineering of mission-critical, tier 0 service infrastructure, the foundational data platform that powers Smartsheet at scale. You will oversee services that handle millions requests per day, operate at 99.999% availability, and deliver low-latency, high-throughput performance for millions of customers worldwide. We are an agile team that operates iteratively, focused on building high-quality software and adhering to rigorous operational best practices across complex, cross-functional distributed systems. This full-time position reports to the Director, Engineering and can be located in our Bellevue, WA office, or you may work remotely from anywhere in the US where Smartsheet is a registered employer. You Will: Manage one or more related teams of 6–10+ software engineers, driving development of tier 0 grid services and platform infrastructure that millions of customers depend on daily. Own and uphold 99.999% service availability targets across critical platform services, embedding reliability engineering, incident management, and on-call rigor into team culture. Help architect and guide technical vision to evolve low-latency, high-throughput service platforms capable of sustaining millions requests per day with predictable, consistent performance under load. Guide and mentor engineers on distributed systems architecture, scalability patterns, and platform best pr

VueAWSAgileScrum
O
📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -84.1%

About the Team At OpenAI, we are dedicated to building safe artificial general intelligence (AGI) to benefit all of humanity. Our mission attracts the world’s top talent in science, engineering, and business to address one of the most ambitious challenges of our times. The Recruiting team is at the heart of this mission, tasked with identifying and hiring exceptional individuals who align with OpenAI's values and cultural ambitions. Our approach to recruitment aims to set the standard for excellence and innovation in the field, connecting outstanding candidates with opportunities to impact the future of AI. About the Role As a Senior Technical Sourcer at OpenAI, you will play a key role in identifying and engaging top-tier engineering talent across a broad range of technical domains. Your focus will be on sourcing exceptional software engineers and technical talent to help build world-class teams advancing our mission in AI research and deployment. In this role, you will: Lead sourcing strategies to identify and engage candidates across a variety of engineering disciplines, including software engineering, backend systems, product engineering, and related technical areas. Develop and maintain a strong pipeline of passive candidates through proactive outreach, research, and networking. Collaborate closely with hiring managers and technical leaders to deeply understand hiring needs and refine sourcing approaches accordingly. Leverage advanced sourcing techniques and tools to identify and attract exceptional talent. Represent OpenAI at industry events and conferences to promote our mission and connect with potential candidates. Maintain accurate and organized candidate data and metrics to inform sourcing strategies and decision-making. You might thrive in this role if you have: 5+ years of experience in technical sourcing, with a focus on engineering or technical roles. A proven track record of successfully sourcing candidates across a range of software engineering and

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B
📍 Mountain Home, Arkansas, United States
✓ Quality checkedCompany trend +320%

This is where your work makes a difference. At Baxter, we believe every person—regardless of who they are or where they are from—deserves a chance to live a healthy life. It was our founding belief in 1931 and continues to be our guiding principle. We are redefining healthcare delivery to make a greater impact today, tomorrow, and beyond. Our Baxter colleagues are united by our Mission to Save and Sustain Lives. Together, our community is driven by a culture of courage, trust, and collaboration. Every individual is empowered to take ownership and make a meaningful impact. We strive for efficient and effective operations, and we hold each other accountable for delivering exceptional results. Here, you will find more than just a job—you will find purpose and pride. Baxter Healthcare Corporation values the growth and advancement of its employees. As a Maintenance Technician, you will work with advanced technology within a lively and encouraging environment. Our team commits to steady development, enabling you to sharpen your skills and aid in fulfilling our mission. Your expertise will play a vital role in maintaining flawless production equipment operation. This allows us to achieve demanding production schedules and maintain top-tier standards. This role presents an outstanding opportunity to cover the Weekend night shift, Friday through Sunday from 11:30pm to 11:30am. It supports a balanced work-life arrangement and the possibility to succeed in a fast-moving environment. Job Responsibilities Identify and resolve problems in both legacy and contemporary equipment featuring programmable logic controller (PLC) systems (Siemens, Allen Bradley, etc.), vision systems, electrical schematics, photo eyes/sensors, limit switches, proximity switches, temperature controllers, variable speed drives, motors, servos, pneuma

Recruitment
L
📍 Lynnwood, WA, United States
✓ Quality checkedCompany trend +420%

Leidos is seeking a Test and Integration Engineer to lead cutting-edge testing and validation efforts within the Undersea Systems Division (USD) . This role is a unique opportunity to drive innovation in testing underwater vehicle systems, maritime sensors, subsea telemetry, and ISR solutions that support critical defense and national security missions. You'll contribute to a multidisciplinary team focused on testing, integrating, and validating advanced maritime technologies, ensuring system reliability and performance from prototype design to full-scale system deployment for ongoing Navy missions. Leidos’ Undersea Systems Division is a recognized leader in C4ISR technologies, delivering innovative, mission-critical solutions across sensor networks, unmanned systems, and tactical platforms . We’re known for achieving “industry firsts” in the most challenging maritime domains. Join us and be part of a world-class team delivering unmatched solutions for today's most pressing maritime missions. Why Join Us? Make an Impact : Your work will directly support U.S. maritime dominance and national security. Lead Innovation : Be at the forefront of applying innovative technology and autonomy to real-world maritime systems. Work with Experts : Collaborate with a top-tier team of engineers, scientists, and technicians located across the U.S. Shape the Future : Influence both the strategic and tactical direction of next-generation subsea technologies. What You’ll Do Test and Validate: Write, develop and execute comprehensive test plans, procedures, and protocols to ensure system functionality, reliability, and compliance with requirements. Integrate systems and conduct hands-on testing: Write, develop, and execute integration plans to bring complex systems together. Perform field</b

P
Relocation support. Relocation assistance is stated. This does not establish visa sponsorship.
📍 New York, NY, United States
✓ Quality checkedCompany trend -86.4%

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . As a Sr Client Partner at Pinterest, you will serve as a strategic visionary, cultivating trusted relationships with top-tier clients in the pharma industry through your deep expertise in full-funnel sales. By leveraging your nuanced understanding of client businesses, you will independently engage assigned customer accounts to promote Pinterest products effectively. Your primary responsibilities include meeting performance targets, developing new business, maintaining and expanding customer relationships, and resolving specific customer issues. By guiding clients’ efforts, you'll drive value for millions of Pinners seeking inspiration and action, forming strategic alliances both internally and externally. Success in this role depends on your ability to drive substantial revenue growth and spearhead a vision for long-term client success in a col

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📍 San Francisco, California, United States· Full-time· Remote
✓ High-confidence listingCompany trend -7.5%
Quick readStrong listing-quality and freshness signals

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role As a sales development representative at WRITER, you'll be on the front lines of the enterprise AI revolution - the very first conversation many Fortune 500 buyers will ever have about our platform. You won't just be dialing for meetings; you'll be shaping how the world's largest companies understand and adopt generative AI. Every discovery call you run, every account you break into, and every qualified opportunity you hand off directly feeds the pipeline that powers WRITER's next phase of hypergrowth. This is a high-impact, high-visibility role. You'll partner closely with our enterprise account executives to crack into named target accounts across industries like retail, financial services, travel, and healthcare - the same kinds of companies already transforming their work with WRITER. You'll sharpen your craft in a fast-moving environment, build a deep fluency in enterprise AI, and set yourself on an accelerated path toward becoming a top-tier enterprise se

AISalesforce
B
📍 San Francisco, California, United States
✓ High-confidence listing

$135.6K – $169.5K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Sales at Brex Sales is the growth engine at Brex. We bring in new customers, expand existing relationships, and drive the company’s bottom line. With unlimited territories and uncapped opportunity, your ambition sets the ceiling. We win together, celebrate often, and reward performance. If you want to sell a category-defining product with real ownership, this is your team. What you’ll do As a Startups Ambassador at Brex, you’ll be the face of our brand in the startup ecosystem by building trusted relationships with top-tier VC's and high-growth founders. You’ll represent Brex in the market by hosting events, driving engagement, and creating meaningful connections that bring value to the startup community. Your main focus will be to grow Brex’s presence within key venture networks by establishing and deepening partnerships, acquiring new customers, and fostering a strong local community. Success will be measured by your ability to brin

AISalesforceAccountingFinance
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Relocation support. Relocation assistance is stated. This does not establish visa sponsorship.
📍 New York, NY, United States· Full-time
✓ High-confidence listingCompany trend -86.4%

From $134.7K/yr

Quick readStrong listing-quality and freshness signals

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . As a member of the Programmatic Sales & Operations team, you will play a pivotal role in driving Pinterest’s advertising growth and revenue through a full-funnel sales strategy. As the primary partner to clients, you’ll drive deal creation, oversee campaign setup, and ensure seamless launches. Leveraging data-driven strategies, you will proactively optimize performance, uncover growth opportunities, and deliver exceptional results that maximize client value and business impact. Through close collaboration with cross-functional teams, you’ll help shape solutions that maximize business impact, streamline workflows, and deliver measurable results for advertisers at every stage of the funnel. What you'll do: Develop and execute full-funnel, programmatic sales strategies for top-tier clients, driving measurable business results across awareness,

AWSGitRestAI
O
Relocation support. Relocation assistance is stated. This does not establish visa sponsorship.
📍 San Francisco, California, United States· Full-time· Remote
✓ Quality checkedCompany trend -84.1%

About the Team OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. The Creator Partnerships team supports that mission by building trusted relationships with creators, talent, experts, and organizations that help people understand and use AI in meaningful ways. We work closely with teams across OpenAI to develop thoughtful partnerships and programs grounded in trust, usefulness, cultural relevance, and measurable impact. Our focus extends beyond promoting individual product features. We aim to help partners discover valuable applications of AI, share credible insights with their communities, and create lasting value for both OpenAI and the people we work with. About the Role We are seeking a Scaled Partnerships Manager to own the agency relationships and operating systems that enable OpenAI to work with influencers and creators at scale. This person will manage key creator marketing agencies and platforms, establish clear standards for selection, pricing, deliverables, brand safety, execution, and measurement, and ensure our programs are both culturally credible and operationally rigorous. You will translate go-to-market priorities into repeatable creator programs across a mix of micro, mid-tier, and larger creators. You will be accountable for the full agency and campaign lifecycle, from annual planning and briefing through execution, paid amplification, reporting, optimization, and post-program learning. This role is based in San Francisco, CA. We use a hybrid work model of three days in the office per week and offer relocation assistance to new employees. In This Role, You Will Lead scaled creator marketing programs aligned to business priorities. Own the creator agency portfolio, including partner selection, scopes, budgets, staffing, performance expectations, operating cadence, and business reviews. Build a clear agency model that defines each partner’s role, internal and external ownership, and how work moves from brief

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