Senior Network Engineer

We’re seeking a highly skilled AI Engineer. Our client within the technology space is offering innovative projects that solve real-world problems with AI. This role will provide opportunities to work with cutting-edge technologies and deliver impactful AI solutions. Key Responsibilities: Develop, train, and deploy machine learning (ML) and deep learning models to solve industry-specific challenges. Design scalable data pipelines and preprocess datasets for training and inference. Collaborate with cross-functional teams to integrate AI models into existing systems. Research and implement state-of-the-art algorithms for areas like NLP, computer vision, predictive analytics, and generative AI. Conduct error analysis and improve models to address bias, fairness, and explainability. Document technical processes and results, ensuring knowledge sharing within teams. What We’re Looking For: Technical Skills: Proficiency in programming languages like Python, R, or Java. Hands-on experience with AI frameworks such as TensorFlow, PyTorch, or scikit-learn. Strong knowledge of data preprocessing, feature engineering, and model evaluation metrics. Expertise in at least one domain: Natural Language Processing (NLP) Computer Vision Reinforcement Learning Generative AI (e.g., GPT, Stable Diffusion) Familiarity with cloud platforms (e.g., AWS, Google Cloud, Azure) for model deployment. Strong grasp of mathematics and statistics (e.g., linear algebra, probability, optimization). Soft Skills: Ability to explain complex AI concepts to non-technical stakeholders. Strong problem-solving and critical-thinking skills. Passion for continuous learning and staying updated with the latest AI trends. Requirements Preferred Qualifications: Bachelor's or Master’s degree in Computer Science, Artificial Intelligence, Data Science, or a related field. Industry certifications in AI/ML (e.g., AWS AI/ML Certification, Coursera AI Specializations). Previous experience in sectors like healthcare, finance, retail, or autonomous systems is a plus. Benefits Exposure to international markets and the opportunity to work with a diverse team Flexible remote working arrangements Innovative environment At Substance, we’re all about action, not just talk. If your profile aligns with what we need, you’ll hear from us within 1-2 weeks. If not, no fluff—just know we value your interest and will keep you in mind for future roles where your skills can make an impact. We focus on real connections and meaningful matches, so when the right opportunity comes, we’ll be ready to make it happen. Getsubstance.co Pte. Ltd. | EA License No: 24C2398

We are small dog walking and pet-sitting company dedicated to providing exceptional care for pets in the Alexandria, Arlington, and Falls Church area. Our team of experienced and passionate pet care professionals ensures that every pet receives the love, attention, and exercise they deserve. We pride ourselves on delivering reliable and top-notch service to our clients, allowing them peace of mind while they are away. Apply using this link: https://metropawlitanpetsitters.zohorecruit.com/jobs/MetropawlitanPetsittersjobs/754168000000650001/Scheduler?source=CareerSite Position Overview: We are seeking a dynamic and responsible Scheduler to join our growing team. The Scheduler will play a crucial role in overseeing and coordinating the daily operations of our dog walking and pet-sitting services. This individual will be responsible for communicating to our dedicated dog walkers and pet sitters and ensuring the highest level of service for our clients. Responsibilities: *Address client inquiries and concerns promptly and professionally. *Ensure client satisfaction through effective communication and problem resolution relating to their schedule. *Maintain strong relationships with clients and gather feedback to enhance service quality. *Maintain client schedule and profiles *Respond to the needs of clients - Scheduling and Coordination: Create and manage daily schedules for dog walkers and pet sitters. Assign clients to appropriate team members based on availability and expertise. Monitor and adjust schedules to accommodate client requests and changes. Address any performance issues or concerns with individual team members promptly. 🐾 What Makes You a Great Fit We’re looking for someone who’s not just organized — but thrives in fast-moving situations and understands how important pets are to their families. Detail-Oriented: You spot mistakes before they happen and love creating order from chaos. Calm Under Pressure: Last-minute changes don’t rattle you — you adapt quickly and keep things moving. Great Communicator: You write and speak with clarity, professionalism, and warmth. Problem-Solver: You enjoy finding solutions that work for both clients and sitters. Pet-Friendly: You believe pets are family and want to be part of a company that feels the same. Tech-Savvy: You’re comfortable with scheduling software, apps, and learning new tools. Previous experience in a admin role, preferably in the pet care industry. Ability to work independently and collaboratively with a diverse team. Knowledge and passion for animal care. Ability to step in and act as coverage for sitters/walkers Primarily remote position. However, you may need to step in to fill in for sitters.You should live in the Arlington, Alexandria or Fairfax County area only. Preference given to those who live within the beltway. If you are a dedicated and organized individual with a passion for pets, we would love to hear from you. Other qualifications for the position: * comfortable with all size dogs and most pets * ability to walk 3-5 miles daily * have a car in good condition and fully insured *have experience managing people Job Types: Part-time Pay: starting rate of $18/hour, pay will correlate with experience Expected hours: 20 – 30 per week Bonus opportunities Commission pay Are you comfortable walking, caring and managing large dogs? Are you comfortable caring for cats and small animals(i.e. hamster, rabbits) as well? Do you have experience working with automation, CRM and communication apps? Experience: Pet care: 2 years (Required) License/Certification: Driver's License (Required)

Engineer Solutions that Empower Students  Are you passionate about technology, troubleshooting, and making an impact in education? MasteryPrep is seeking a Technical Support Engineer to provide high-quality support to both internal teams and external users, ensuring seamless operations across our technology platforms. Join a team dedicated to using technology to empower educators and students nationwide. In this role, you will serve as a key technical resource for our customers, troubleshooting and resolving complex issues across full-stack web applications. You’ll use modern developer tools, databases, and reporting systems to diagnose problems, ensure smooth integrations, and deliver timely solutions. This hands-on position involves collaborating closely with development, QA, and product teams to reproduce and resolve defects, maintaining application stability, and driving continuous improvement. Success in this role requires both strong technical expertise and clear, empathetic communication, ensuring that every customer interaction leads to a reliable and positive experience. Key Responsibilities: Serve as the primary point of escalation for customers issues, addressing their technical inquiries and issues related to full-stack technologies. Provide timely troubleshooting and resolution of customer-reported bugs in web applications built with TypeScript and React. Diagnose and resolve database-related issues in PostgresSQL and Firestore, ensuring data integrity and performance optimization. Document, track, and escalate customer-reported bugs using Gitlab. Collaborate with development teams to reproduce, diagnose, and resolve software defects Lead maintenance engineering. Work closely with cross-functional teams, including development, QA, and product management, to resolve complex technical issues. Communicate effectively with customers, providing updates on the status of their requests and issues in a clear and timely manner. Gather feedback from customers to improve the support process and contribute to product enhancements. About MasteryPrep Nearly 90% of low-income students graduate high school without a college-ready ACT or SAT score. MasteryPrep’s mission is to level the playing field in education by offering the most effective test preparation available – made accessible to all students.  Through more than 10 successful years of partnering with school districts and institutions on college readiness services and resources, MasteryPrep has surpassed one million students served since the company’s founding in 2012.  MasteryPrep increased its student outreach by 70 percent in 2021 and is ranked among the Inc. 5000 “Fastest Growing Companies,” featured by “Entrepreneur 360,” and selected among the “Growth Leaders” by Louisiana Economic Development. Requirements Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience) 2+ years experience as a full-stack engineer Strong knowledge of Google Firestore, PostgreSQL, TypeScript, JaveScript, and React Experience with SSO,  specifically with Security Assertion Markup Language (SAML) protocols Proficient in integrating Learning Tools Interoperability (LTI) standards  Skilled in integrating with Student Information Systems (SIS)  Familiarity with rostering and integration services in education technology (e.g., Clever, ClassLink, Schoology) Excellent problem-solving and troubleshooting skills Ability to work independently and as part of a team in a fast-paced environment Strong communication and collaboration skills Familiarity with compliance standards such as FERPA, COPPA or PCI DSS preferred Knowledge of secure coding practices and application security testing techniques preferred Benefits $75,000-$85,000 starting salary based on qualifications  Opportunity to work with cutting-edge technologies in a collaborative environment Flexible work hours and remote work environment Professional development opportunities and reimbursement for certifications and training  Company-sponsored social events and team-building activities Employee benefits eligibility (health, disability, AD&D, life insurance) Matching 401k Paid time off Generous paid holidays

Part time position: Mon, Weds, Fri. Professional practice seeks friendly, responsible individual to answer phones, book appointments, verify insurance, place orders. Nice work environment: low stress. Prefer individuals who live near office. Please respond with resume & explain why you are looking for PT position.

Expertise and Functions Perform all facets of a continuous 24/7 Global Network Operations and Security Center monitoring Execute network, system, and cloud systems monitoring/surveillance, environmental monitoring, incident management and MDA Cybersecurity Support and service maintenance activities to include Change Management coordination during the assigned shift day/time Engage in all aspects of IT incident management and escalation, ensuring that incidents are effectively escalated, managed and resolved with full communication of status, plans, and actions provided to executive management and the Government customer Utilize communication skills, verbal and written, at both technical and senior/Executive management levels Understand Command level Management Speak clearly to diverse cultural audiences, VIPs, and dignitaries Perform as a section trainer and create lesson plans Other duties as assigned Requirements Education/Training:  Bachelor’s Degree in management or other relevant discipline preferred Must have, or obtain within 6 months of hire, a current DoD 8570.01 IAT Level II Certification such as CompTIA Security+ CE Certification or higher    Experience: 2+ years of professional experience in the required task area    Preferred Experience:   Experience in metrics-based IT Operations and Maintenance (O&M) teams Experience with Remedy and SNMP monitoring tools (e.g., Solarwinds, Microfocus NNMi/HPOV, and Systems Center Operations Manager) Experience with ITIL framework and ITIL-based processes, to include continual service improvement, change management, and problem investigation Experience as a Windows/Linux System Administrator supporting a large Enterprise with knowledge of Microsoft Active Directory, Windows 2008/2012, Linux/UNIX Operating Systems, EMC Storage, Symantec NetBackup and SCCM Patch Management solutions Experience as a network engineer, including hands-on experience designing, implementing and managing network components including switches, routers, firewalls, and cryptographic devices Experience with Cyber-defense or information assurance, including experience with DISA mandated security tools to include Assured Compliance Assessment Solution (ACAS), Host Based Security System (HBSS), analyze results and create reports Experience with Network Operations in a network operations center or other 24x7x365 IT Operations environment Knowledge of IT Network Operations and connectivity devices that inter-relate with Public Key Infrastructure authentication and Information Security practices Knowledge of Cybersecurity principles and how to execute system/network security analysis Knowledge of Tier III Information Assurance practices, IT security governance, security administration, project management, logistics, and Cybersecurity compliance requirements Quality Assurance/Quality Control Inspection process knowledge Security: Must be a US citizen Candidate must be in possession of a minimum DoD issued Secret Clearance Physical Requirements: Able to occasionally reach with hands and arms Prolonged periods of computer screen use, while sitting or standing at a desk Adhere to safety protocols when in work areas requiring use of PPE (e.g. eyewear, gloves, masks, hearing protection, steel toed shoes, etc.) Able to safely lift and carry up to 20 pounds at a time Benefits Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k, IRA) Life Insurance (Basic, Voluntary & AD&D) Paid Time Off (Vacation, Sick & Public Holidays) Short Term & Long Term Disability Training & Development Wellness Resources Salary: $75,000 - 97,000 Salary rates for this position are competitive and commensurate with experience and industry standards. We offer a comprehensive benefits package that may include health insurance, paid time off, and retirement savings options.

A Security Training Academy Inc #88-1502 01E Unarmed Security Officer + 05E Arrest Authority + 75E Handgun $300 05E Arrest Authority + 75E Handgun $225 01E Security Officer WEEKENDS Sep 27-28, Oct 4-5, 11-12, 18-19, 25-26, 0800-1800, $90 01E Unarmed Security Officer $110 01I Security Officer In-Service, On-Line 24 hrs. a day, $50 web.astai.us 02E Private Investigator Oct 5-11, 0800-1800 $450 02I Private Investigator In-Service On-Line 24 hrs. a day, $75 05E Arrest Authority DAYS Sep 30, Oct 14, 28, 0800-1800, $75 06E SCOP, Call for Dates, 0800-1700 75E Armed Security Handgun DAYS, Oct 1-3, 15-17, 29-31, 0800-1700, $175 07R Armed Security Handgun In-Service On-line 24 hrs. a day $75 Must Re-qualify 07E Basic Handgun Sep 17-18, 0800-1500, $175 08E Shotgun, Call for Dates, Call for Dates, 1800-2100, $50 Range Friday, 0700 08R Shotgun In-Service, Online $50 Range Fridays 0700, Must Re-Qualify 09E Advance Handgun Call for Dates, 0800-1700, $250 09R Advance Handgun In-Service On-line 24 hrs. a day, $75, Must Re-Qualify 10E Patrol Rifle Call for Dates, 0800-1700, 0800-1700, $250 10R Patrol Rifle In-Service Call for Dates, or On-line 24 hrs. a day $75, Must Re-Qualify 13E General Instructor Oct 20-24, 0800-1700, $500 13I General Instructor On-line, $75 14E General Instructor Oct 6-10, 0800-1700, $550 14I Firearms Instructor On-line, $75, Must Re-Qualify 25E Locksmith Call for Dates, 0800-1700, $250 30E Electronic Security Core Subjects, Call for Dates, 0800-1200, $50 32E Personal Protection Specialist Call for Dates, 0800-1800, Call for Dates, $650 32I Personal Protection Specialist In-Service, On-Line 24 hrs. a day, $75 35E Electronic Security Technician, Call for Dates, 0800-1700, $110.00 38E Central Station Dispatcher, Call for Dates, $50 39E Electronic Security Salesman, Call for Dates, 0800-1200, $50 40E Bail Bondsman Call for Dates $500 40I Bail Bondsman In-Service On-Line 24 hrs. a day, $75 44E Bail Enforcement Call for Dates, 0800-1700 $400 44I Bail Enforcement Agent In-Service On-line 24 hrs. a day$75 Baton Oct 11, 0800-1100 $75 Both Baton/OC $150 OC Oct 11, 1100-1300 $75 First Aid, CPR, AED Oct 11, 1400-1830, $75, PATH Practical and Tactical Handcuffing Oct 11, 1800-2200, $75 Taser PULSE Call for Dates, 0800-1200, Training ONLY $95 with Taser $500 DC CHP Call for Dates, 0800-1700, $250 Each Student receives a Student Guide, and DCJS training completion transcript and Diploma. We now provide employment contacts. For more information please visit http://www.astai.us. Our Instructors are DCJS Certified Instructor Trainers, NRA Law Enforcement Certified Instructors for Patrol Rifle, Shotgun, Handgun Certified for Baton, PATH Handcuffing, OCAT Instructors, Control Defense, MOAB Managing Others Aggressive Behavior Instructors, and have 33 years experience working. You will receive Professional Training! Online DCJS In-Service training http://web.astai.us You can register at http://astai.us/index.php/register-online/ Check the calendar at http://astai.us/index.php/calendar/ Please go to the link directly to see the calendar, website or registration page. Principals only. Recruiters, please don't contact this job poster.