Req ID: 133592 Region: Americas Country: USA State/Province: Texas City: Richardson General Overview Functional Area: Information Technology (ITM) Career Stream: IT Infrastructure (INFR) Role: Specialist (SPE) Job Title: Specialist, IT Infrastructure Job Code: SPE-ITM-INFR Job Level: Level 08 Direct/Indirect Indicator: Indirect Summary The Specialist, IT Infrastructure - Network Support will install, maintain, upgrade, and continuously improve the site's operating environment, ensuring the ongoing reliability, performance and security of the infrastructure. This includes monitoring and upkeeping the operating environments; responding to incidents & problems, planning for growth, deployment of new technologies as well as design, install, configure, maintain and perform testing of PC/server operating systems, networks, and related utilities and hardware. Other responsibilities include troubleshooting problems as reported by users, supporting Web access and telephony services, and the acquisition, replacement and decommissioning of related equipment, software and services. Detailed Description Performs tasks such as, but not limited to, the following: - Participates in the development of an effective network design and strategy - Provide technical support and perform maintenance - Provides technical guidance to customers and departmental staff on network issues - Perform service monitoring and reporting, with a focus on risk management and compliance - Explore new solutions, enhancements and opportunities for continuous improvement, projects and more - Provides network troubleshooting and effective solutions to network problems while minimizing downtime. - Installing and configuring network equipment to update or fix hardware or software issues - Monitoring computer systems to improve network performance for computer systems and networks - Lead projects and change management initiatives - Manages external service providers and vendors - Configure, maintain, and troubleshoot Internet Proxy to ensure secure and optimized internet access. - Configure, maintain, and troubleshoot VPN to enable secure remote connectivity to internal resources. - Administer and manage application control policies, application controls, and endpoint security configurations to strengthen cybersecurity posture. Knowledge/Skills/Competencies - Strong customer service orientation - Strong analytical, troubleshooting and problem solving skills. - Good communication (both oral and written) and documentation skills. - Good leadership and teamwork skills. - Negotiation and conflict resolution skills. - Good ability to plan projects and tasks. - Good understanding of IT requirements for an end to end solution, including security, business continuity, disaster recovery, risk analysis and preparing business cases. - In-depth knowledge of the Windows OS (server and client) and the desktop operating environment. Linux and other mainstream OS knowledge will be helpful. - Fundamental knowledge of networking concepts - Fundamental knowledge of ITIL 4 Foundation - Advanced knowledge of infrastructure service management & diagnostic tools and processes - Advanced knowledge of end-point security management tools and processes - Experience handling network security issues (viruses, malware, social engineering) - Understanding of IT Infrastructure asset lifecycle management - Plus: Understanding of NIST CSF and 800-171. Physical Demands - Duties of this position are performed in a normal office environment. - Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data. Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required. Typical Experience - 4 to 6 years of relevant experience in a similar role or industry. Typical Education - Bachelor's Degree in related field - Vendor Certifications preferred: CompTIA Security+ or Network+, CheckPoint or FortiGate Firewall, Cisco CCNA or CCNP, Fortinet Certified Professional or Solution Specialist. Notes This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time. This is a remote position located in the US. $71,370- $94,574. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Celestica's policy on equal employment opportunity prohibits discrimination based on race, color, creed, religion, national origin, gender, sexual orientation, gender identity, age, marital status, veteran or disability status, or other characteristics protected by law. This policy applies to hiring, promotion, discharge, pay, fringe benefits, job training, classification, referral and other aspects of employment and also states that retaliation against a person who files a charge of discrimination, participates in a discrimination proceeding, or otherwise opposes an unlawful employment practice will not be tolerated. All information will be kept confidential according to EEO guidelines. COMPANY OVERVIEW: Celestica (NYSE, TSX: CLS) enables the world's best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development – from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers. Celestica would like to thank all applicants, however, only qualified applicants will be contacted. Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services. This location is a US ITAR facility and these positions will involve the release of export controlled goods either directly to employees or through the employee's movement within the facility. As such, Celestica will require necessary information from all applicants upon an applicant's acceptance of employment to determine if any export control exemptions or licenses must be filed.

Entity: Oracle America, Inc. Job Duties: Support the design, deployment, and operations of a large-scale global Oracle cloud-computing environment. Develop and support network fabric and systems. Develop and implement solutions for network issues, safely executing network changes. Participate in network lifecycle management through network build and/or upgrade projects. May participate in network solution and architecture design process. Participate in operational rotations as either primary or secondary. Provide break-fix support for events and may serve as escalation point for event remediation. Provide root cause analysis as needed. Develop scripts to automate routine tasks for team. May support network vendor software bug fixes. May work at various unanticipated locations throughout U.S. May telecommute. (385.36371) Employer will accept a Bachelor's degree in Computer Science, Engineering, or related technical field and 8 years of experience in the job offered or in a Network Developer-related occupation. *In lieu of a Bachelor's degree, employer will accept 2 years of work experience. Position requires: Cluster Network Engineering; BGP; Python; Virtual Extensible LAN; Network Architecture; Network Monitoring; and Network automation. Only Oracle brings together the data, infrastructure, applications, and expertise to power everything from industry innovations to life-saving care. And with AI embedded across our products and services, we help customers turn that promise into a better future for all. Discover your potential at a company leading the way in AI and cloud solutions that impact billions of lives. True innovation starts when everyone is empowered to contribute. That’s why we’re committed to growing a workforce that promotes opportunities for all with competitive benefits that support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs. We’re committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing accommodation-request_mb@oracle.com or by calling 1-888-404-2494 in the United States. Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.

• Designing, implementing, and maintaining robust cloud-based network infrastructures. • Configuring and optimizing network components within Oracle Cloud Infrastructure environments. • Managing load balancing solutions. • Deploying next generation firewall policies. • Coordinating proxy server configurations. • Managing access control within virtual cloud networks using network security groups. • Troubleshooting complex network issues and proactively identifying potential vulnerabilities.

Job Title: Sr. Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 50% Type of Travel: Continental US * * * The Opportunity: CACI’s Enterprise IT (EIT) Sector is seeking a Sr Network Engineer in support of a Global Enterprise Network Modernization (GENMOD) contract. As a Sr Network Engineer, you’ll support infrastructure modernization of unclassified and classified base area networks to include site survey, design and installation activities across ISP/OSP, network, Voice, and WAN infrastructure. Responsibilities: - Senior role with multi-disciplined network experience across wired, wireless, and mobile broadband solutions. - Project Leadership & Strategy: Lead site surveys and Engineering team in the design of modernized network architecture, review and analyze network management/monitoring tools to provide network topology, configuration, and bandwidth utilization. - Network Design & Engineering: support the creation of network architectures, topology diagrams, and data flow artifacts (Visio) for wired, wireless, and mobile broadband solutions, focusing on high availability and performance. Develop Engineering Implementation Plan (EIP), with List of Materials (LOM). - Support development of resource loaded schedule by providing technical Level of Efforts (LOE) for survey/design/implementation. - Participate in internal and external technical discussions and meetings as needed for multiple global time zones. - Cybersecurity Compliance: Design, implement, and document secure network architectures, including STIG checklists, port/protocol/service documentation, and Plan of Actions and Milestones (POA&M) in compliance with DAF and DoD RMF standards. - Quality & Safety Assurance: Ensure all installations meet industry safety standards and operational cleanliness, restoring sites to original or better condition. - Experience designing secure networks, systems, and application architectures - Develop and perform technical presentations for customers - Understand and adhere to all CACI Ethical and Compliance policies - Proactively ensure a safe work environment and adhere to CACI EH&S policies and procedures - Perform other duties as required - Requires travel (up to 50%) Qualifications: Required: - University Degree (BA/BS) and 7+ years of related work experience - DoD 8140 IAT II Baseline Certification (CompTIA Security+ CE or CCNA-SEC) - Other Certifications: CCNP/JNCP or equivalent - Must currently hold U.S. Government Secret Security Clearance. - Experience in using drawing tools such as Microsoft Visio or AutoCAD Desired: - Experience supporting OCONUS Army Network - Experience working with USFK, and US Army Network infrastructure in Korea - CISSP - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $90,300-$189,600 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.