linux / unix systems administrator Jobs in philadephia, pa

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Natural Migration Consultant

Apexon

Remote

Full-time

Job Title: Natural Migration ConsultantLocation: Austin, TX (Local candidates preferred; Remote OK)Job Description:We are seeking an experienced Natural Migration Consultant to lead the migration of a large-scale legacy system from AIX 7.2 to Linux. The ideal candidate will have deep expertise in Natural application migrations and post-migration performance tuning, along with strong scripting and batch job management skills. Key Responsibilities: Lead the end-to-end migration of approximately 43

00439-Infrastructure Computing Engineer

Virginia Jobs

Remote or Norfolk, Virginia, USA

Full-time

Title: 00439-Infrastructure Computing Engineer State Role Title: Info Technology Specialist Hiring Range: $90,000 - $110,000 Pay Band: 6 Agency: Norfolk State University Location:Norfolk State University Agency Website:NSU.edu Recruitment Type: General Public - G Job Duties The Office of Information Technology (OIT) manages the administrative and academic information technology resources for Norfolk State University. The Office of Information Technology (OIT) empowers University students,facult

Db2 DBA Db2 Admin

Diversified Technology, Inc.

Remote or Mechanicsburg, Pennsylvania, USA

Contract, Third Party

Required skills: DB2 DBA, Hands on experience on Query Tuning and optimization. 3+ years of experience with DB2 SQL development and DB2 administration Experienced in supporting very large, complex automated systems using both custom and off-the-shelf enterprise and business applications. Proficiency in writing SQL procedures, functions and packages for administration and application support and experience with Q replication, Range partitioned tables, Hash partitioned tables, Replicated MQT and M

Senior JAVA SQL Architect - SVP - C-14 role

Citi

Remote or Jersey City, New Jersey, USA

Full-time

The Applications Development Technology Senior Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Develop and Deliver assigned development projects within agreed schedule, quality and scope expectationsParticipate in all stages of the SDLC within an ag

Senior HPC Systems Engineer

RedLine Performance Solutions

Remote

Full-time

RedLine Performance Solutions (RedLine) has been in the HPC solutions engineering services business for 25 years and is consistently determined to keep the "bar of excellence" quite high for new hires. This enables RedLine to accomplish what other firms cannot and promotes a high level of staff retention. We offer services ranging from full life cycle HPC systems engineering to remote managed services to HPC program analysis. We are seeking a Senior HPC Systems Engineer to join our NASA NACS Hig

Zabbix & Znuny Developer || Remote

1 Point System

Remote

Contract

Skills needed:5+ years of experience in IT infrastructure monitoring, event management, and automation, leveraging tools such as Zabbix, OTRS/Znuny, Linux, KVM, LXC, Kubernetes, Proxmox.Proficient in ITSM frameworks (ITIL, Incident & Event Management).MUST have STRONG hands-on experience with following tools:Zabbix (for monitoring, alerting, and automation).OTRS/Znuny (for ticketing, ITSM workflows).Linux (for server administration, automation).KVM & LXC (for virtualization and container managem

ServiceNow ITSM Developer with strong Zabbix & Znuny exp - Remote

1 Point System

Remote

Contract

Skills needed:5+ years of experience as an ITSM Software Developer to design, develop, and maintain an IT Service Management (ITSM) software product that integrates seamlessly with ServiceNow.Expertise in IT infrastructure monitoring, event management, and automation, leveraging tools such as Zabbix, OTRS/Znuny, Linux, KVM, LXC, Kubernetes, and Proxmox.Proficient in ITSM frameworks (ITIL, Incident & Event Management).2+ years of RECENT hands-on experience needed with following tools:Zabbix (for

Senior Privileged Access Management(PAM) Security Engineer - C14

Citi

Remote or Irving, Texas, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic

Splunk Administrator

Central Point Partners

Remote

Contract

Mortgage Company 100% REMOTE Needed ASAP Contract to hire Must work on W2 without sponsorship Splunk Administrator Seeking a skilled and proactive Splunk Administrator to join our IT operations and cybersecurity team. The ideal candidate will be responsible for deploying, maintaining, optimizing, and securing our Splunk platform across the enterprise. This role is essential in ensuring high availability of Splunk infrastructure, developing dashboards, and supporting threat detection and operatio

Sr. Software Engineer (Top Secret Clearance Required)

Lockheed Martin

King of Prussia, Pennsylvania, USA

Full-time

Job ID: 689935BR Date posted: Apr. 07, 2025 Description:Who We Are: Want to work with cutting-edge technologies in a fun, fast-paced, and dynamic environment? Are you a problem solver that takes on challenges that others think are impossible? If you answered yes to these questions, then we invite you to join Lockheed Martin Rotary and Missions Systems (RMS) as a Senior Software Engineer! Lockheed Martin is a global leader in aerospace, defense, and technology solutions. You will be joining Loc

Sr. Software Engineer (Top Secret Clearance Required)

Lockheed Martin

King of Prussia, Pennsylvania, USA

Full-time

Job ID: 689935BR Date posted: Apr. 07, 2025 Description:Who We Are: Want to work with cutting-edge technologies in a fun, fast-paced, and dynamic environment? Are you a problem solver that takes on challenges that others think are impossible? If you answered yes to these questions, then we invite you to join Lockheed Martin Rotary and Missions Systems (RMS) as a Senior Software Engineer! Lockheed Martin is a global leader in aerospace, defense, and technology solutions. You will be joining Loc

IT Lead Auditor

M&T BANK CORPORATION

Remote or Buffalo, New York, USA

Full-time

** Work Arrangement: This is a hybrid position requiring in-office work multiple days every week and will ideally be based in Buffalo, NY. Overview: This position is responsible for executing internal audit examinations over the Bank's Information Technology (IT) Engineering, Operations, Governance, Risk Management, and Architecture functions ensuring the timely and professional execution of the examinations in accordance with professional standards. Primary Responsibilities Plan, coordinate an

Security Manager

Robert Half

Ewing Township, New Jersey, USA

Full-time

Description We are looking for an experienced Security Manager to oversee and enhance our organization's cloud and infrastructure operations in West Trenton, New Jersey. This role requires a highly skilled individual capable of leading technical teams, developing strategic roadmaps, and ensuring compliance with security policies and standards. The ideal candidate will possess strong leadership capabilities, technical expertise, and a proactive approach to addressing cybersecurity challenges. Re

System Administrator / Denver,CO(Remote ),3+ Months Contract

Suncap Technology

Remote or Almont, Colorado, USA

Contract

Job Description Local to CO candidates only Location: Colorado Springs, CO( Remote ) Duration:3+ Months Contract System Admin's Statement of Work: Security Vulnerabilities Patching and Application Updates and Deployments 80% This position assists in providing technical support to Security Vulnerabilities. Patching and Application Patching and Deployments which includes the use of Client's incident/change order system and the following activities: Assist in the mission and support of the Tani

Senior Python / Counterparty Credit Risk Senior Application Developer - VP - NEW YORK

Citi

Remote or New York, New York, USA

Full-time

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deployment, and maintenance of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes. The Counterparty Credit Risk Senior Application Develope

Senior Systems DevOps Developer

Boeing Company

Remote or Seattle, Washington, USA

Full-time

Senior Systems DevOps Developer Company: The Boeing Company The Boeing Company is currently seeking a Senior Systems DevOps Developer to join the Network Tools team in support of Network Automation in Seattle, WA; Berkeley, MO; or North Charleston, SC. Boeing Information Technology (IT) is seeking a talented and experienced Systems DevOps Developer to join our innovative team! In this exciting role, you will lead the design, development, deployment, and integration of automation solutions that

DevSecOps Specialist

MSys Technologies - USA

Remote

Contract

We are looking for Security DevSecOps Specialist Position. Below is the Job Description, please have a look and if you are available for this position, please get back to me along with your updated resume in word format with contact number. Job Title: Security DevSecOps Specialist Job location: 100% Remote (East Coast) Duration: Longterm Contract Job Description: 4+ years of experience in Linux system administration, security engineering, or DevSecOps.Proficiency in Linux system internals, acces

Classified IT Systems Engineer, Staff

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description Lockheed Martin Enterprise Operations (EO) is actively seeking an experienced information technology (IT) professional to support the Space business area classified program areas located in Valley Forge, Pennsylvania. Deep expertise in technical leadership, Linux server, Windows server, storage and network administration are essential elements in providing support for these complex classified environments. The candidate will need a strong understanding of TCP/IP, IT security pri

IBM Sterling Administrator

EPCOT Technologies

Remote

Full-time

Hello,We have urgent job opening for the role IBM Sterling AdministratorJob Title: IBM Sterling AdministratorLocation: [ Remote] Duration: [Contract]Job Summary: We are seeking a skilled IBM Sterling Administrator to manage and support the IBM Sterling B2B Integrator environment. The ideal candidate will have hands-on experience in installation, configuration, and maintenance of the Sterling platform, along with solid troubleshooting and performance tuning skills.Key Responsibilities:Install, co

QRadar Suite Endpoint Detection and Response (EDR)

intiGrow

Remote

Contract, Third Party

100% Remote 1. QRadar Platform Expertise Architecture and components (Console, Event Collectors, Event Processors, Flow Collectors, Data Nodes) Log source integration and configuration Custom rules and building offenses Use Case Manager app and AQL (Advanced Query Language) DSM (Device Support Modules) tuning and extension Flow data and QFlow/QNi Offense management and tuning Asset profiles and identity integration 2. SIEM & Security Fundamentals Knowledge of security event types (e.g., logs fro