Overview Title-System Administrator III Location: Alexandria, VA (Remote) Clearance: Secret Start: Upon Contract Award Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized leader in navigating technology and security challenges, Foxhole delivers mission-focused innovations to answer evolving and complex needs. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world. Foxhole is seeking a qualified Senior System Administrator to support a government customer in a secure, mission-essential environment. This position involves managing and security IT systems, overseeing system configuration, and ensuring operational stability across a variety of systems in a cloud-based environment. You will be responsible for the implementation, configuration, and maintenance of these systems. The ideal candidate brings hands-on technical experience, a strong grasp on federal and DoD cybersecurity standards and compliance measures. Job Description - Provision, configure, and maintain AWS GovCloud environments (Dev/Test/ Production) in support of modernization projects - Administer and maintain Oracle and Oracle APEX applications environments, coordinating with database administrators and software developers to endure stable, high-performing infrastructure - Perform ongoing systems administration activities, to include OS patching, configuration management, and environment monitoring in accordance with customer directives, compliance and regulatory requirements - Apply and maintain Security Technical Implementation Guides (STIGs) and Cloud Computing Security Requirements Guide (CC SRG) controls across IL4/IL5 environments to support and sustain Authority to Operate (ATO) specifications - Coordinate with Cybersecurity teams to support continuous monitoring, vulnerability management, and incident response activities in alignment with Risk Management Framework (RMF) requirements - Participate in Agile/Scrum sprint ceremonies/stand-ups, contributing infrastructure and environment-related user stories, sprint tasks, and status updates - Produce and maintain technical documentation including environment configuration records, standard operating procedures (SOPs), and system administration runbooks in support of program deliverables - Plan and execute upgrades, installations, monitoring, and management tools, security practices, and overall support architecture - Serve as Tier II/III escalation point for complex issues, collaborating with cybersecurity, operations, and applications support teams Minimum Requirements - At least 8 years of experience in a system administration role, with at least 5+ years’ experience managing, provisioning, and monitoring cloud infrastructure - Deep knowledge of AWS, or cloud-based platforms, including experience with serverless, containerization, and virtual machines - Proficiency in automation, scripting, and infrastructure-as-a-service code, such as PowerShell, Python, Bas, or Terraform - Advanced administration skills in Linux/Unix and Windows Server environment - Experience implementing security protocols and utilizing monitoring tools to ensure uptime and performance - Ability to resolve complex, high-level, multi-platform system issues - Ability to create and maintain comprehensive technical documentation for configurations and procedures - Active Secret Clearance Desired Experience/Certifications - Bachelor’s (BS) in Computer Science, Engineering, Information Systems or equivalent experience (10+ years) – strongly preferred but not required - Certified, CompTIA Security+ - AWS, MS, Linux based certification is a plus - Experience supporting teams in AWS environments (GovCloud a plus) - Experience supporting or participating in Product Release related activities - Knowledge and experience with automation; reducing manual activities More Information Requirements of position: Think analytically, effective verbal and written communication skills, make decisions, observe/remember details, interpret data, concentrate on tasks, adjust to change, handle stress/emotions. Regular attendance, maintain work schedule, attend meetings, meet deadlines, keyboard/type, handle confidential information, use math/calculations, stay organized, operate office equipment, may direct others. May be exposed to dust/dirt, humidity, and noise Foxhole Technology is an Equal Opportunity Employer and makes hiring decisions without regard to race, color, religion, sex (including pregnancy, childbirth and sexual orientation), national origin, age, disability, genetic information, military/veteran status, or any other protected class.

Role Description Working in one of the technical teams within the Enterprise Business Systems (EBC) function. The EBC function covers the development and support of the following enterprise-wide business systems across multiple teams: - JD Edwards Enterprise 1 - MS Power Platform - Dynamics - Sharepoint - SAP Concur - Business Collaborator document management Company Description Costain helps to improve people’s lives with integrated, leading edge, smart infrastructure solutions across the UK’s energy, water, transportation and defence markets. We help our clients improve their business performance by: - Increasing capacity - Improving customer service - Safeguarding security - Enhancing resilience - Decarbonising - Delivering increased efficiency Our vision is to be the UK’s leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements. We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: - Future-shaping strategic consultancy - Consultancy and advisory - Digital technology solutions - Asset optimisation - Complex programme delivery Our culture and values underpin everything we do. Costain appreciate the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase. We do share individual feedback following an interview. A Disability Confident employer will generally offer an interview to any applicant that discloses they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to the Disability Confident website: Disability Confident

• Responsibility of the configuration, monitoring, tuning, and troubleshooting of the technology stack • Planning and managing assigned technical projects/upgrades • Securing operation and setup of SAP landscapes • SAP Basis and database work-load analysis & performance tuning • Working together with integration teams to connect surrounding systems based on security standards • Maintain and setup of SAP High-Availability solutions • Database Administration (Oracle, HANA)

• Gestione e amministrazione di ambienti Exchange (Online e On-Prem) • Configurazione e manutenzione dell'architettura Exchange ibrida • Collaborazione con team per fornire soluzioni di autenticazione e sicurezza • Monitoraggio e troubleshooting di sistemi Microsoft 365 e SharePoint • Utilizzo di PowerShell per automazione di processi e reportistica • Attività di formazione e supporto ai membri del team.