Linux Systems Engineer

Upload Resume

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Linux Systems Engineer

TEXAS, Dallas

07/24/2026

Contract

Active

Job Description:

Key Responsibilities

• Own and engineer the Linux compute platform during our client’s server migration project, ensuring its stability, security, and performance throughout all migration phases.
• Plan, coordinate, and execute end-to-end server migrations from the source data center to the target location, including physical servers, ESXi hosts, and virtual machines.
• Manage and migrate VMware ESXi environments, including vMotion, Storage vMotion, and cold migrations of VMs across data center sites with minimal service disruption.
• Configure, troubleshoot, and migrate iSCSI storage networks, ensuring proper connectivity, multipathing, CHAP authentication, and performance between source and target environments.
• Manage LVM (Logical Volume Manager) configurations during migration, including volume group export/import, logical volume resizing, snapshot-based migrations, and filesystem integrity validation.
• Develop and maintain automation tooling to streamline migration tasks and ensure reliable workflows.
• Develop and execute migration runbooks, rollback plans, and validation checklists.
• Collaborate with internal clients and partner engineering teams to assess migration readiness and deliver solutions.
• Contribute to modern stack integration including Kubernetes and OpenStack.
• Troubleshoot complex issues during and after migration activities.
• Develop technical solutions to improve system reliability and scalability.
• Manage and optimize virtualization environments using VMware and OpenShift CNV.
• Participate in CI/CD pipeline implementation for infrastructure automation.
• Monitor system performance and implement proactive optimizations.
• Ensure adherence to security best practices and compliance requirements.

Required Qualifications

• 4+ years of experience in large-scale data center/server migration projects (P2V, V2V, site-to-site).
• 4+ years of extensive experience with Linux-based compute environments and OS internals.
• 4+ years of strong expertise with VMware ESXi/vSphere including host builds, VM provisioning, vMotion, Storage vMotion, DRS, and HA.
• 4+ years of in-depth knowledge of iSCSI storage networking including multipathing and troubleshooting.
• 4+ years of expert-level understanding of LVM including volume management, snapshots, and migration.
• 4+ years of strong knowledge of networking concepts such as TCP/IP, VLANs, routing, and firewalls.
• 4+ Years of Experience with containerization tools such as Kubernetes, OpenShift, and Docker.
• 4+ Years of Understanding of CI/CD tools including Git, Maven, and Jenkins.
• 4+ Years of Proficiency in scripting languages such as Bash and Python.

Preferred Qualifications

• Experience with scripting languages such as Python, Node.js, Perl, or Go and REST APIs. - Experience with migration tools such as VMware vCenter Converter, Zerto, or Veeam. - Experience with relational and NoSQL databases. - Exposure to cloud platforms such as AWS, GCP, or Azure. - Familiarity with security practices such as encryption, OAuth, and LDAP. - Experience with configuration management tools such as Ansible, Puppet, or Chef. - Knowledge of monitoring tools such as Prometheus, Grafana, or ELK stack. - Strong troubleshooting and problem-solving skills.

• Education - Bachelor's Degree in a Science or Engineering program with a minimum of 4 years of hands-on experience in a relevant role.

• Email ID *

• This field is required Please enter valid emailId.

• Cell phone *

• This field is required Please enter valid cell phone.

• First Name *

• This field is required Please enter valid first name.

• Last Name *

• This field is required Please enter valid last name.

• Upload Resume

• Resume Title *

• This field is required

• Comments for Recruiter

• This field is required

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• $(document).ready(function () { var JobId = '5849940'; if (JobId == '') { $(".jobdetail").hide(); $("#headertext").html('Upload Resume'); } else { $("#headertext").html('Submit Resume'); } });

function fillEmailId() { if ($.trim($("#txtEmailIdtoSearch").val()) == "") { showvalidation($("#txtEmailIdtoSearch")); $(".loaderSection").hide(); return false; } else { var Reg = new RegExp("^[_A-Za-z0-9-]+(\.[_A-Za-z0-9-]+)@[A-Za-z0-9]+(\.[A-Za-z0-9]+)(\.[A-Za-z]{2,})$"); var matches = $.trim($("#txtEmailIdtoSearch").val()).match(Reg); if (!matches) { hidevalidation($("#txtEmailIdtoSearch")); showRegExpvalidation($("#txtEmailIdtoSearch")); return false; } else { hideRegExpvalidation($("#txtEmailIdtoSearch")); hidevalidation($("#txtEmailIdtoSearch")); } } } function fillFirstName() { if ($.trim($("#txtFirstName").val()) == "") { showvalidation($("#txtFirstName")); $(".loaderSection").hide(); return false; } else { var Reg = new RegExp("^[a-zA-Z][0-9a-zA-Z .,'-]$"); if (!Reg.test($.trim($("#txtFirstName").val()))) { hidevalidation($("#txtFirstName")); showRegExpvalidation($("#txtFirstName")); return false; } else { hideRegExpvalidation($("#txtFirstName")); hidevalidation($("#txtFirstName")); } } } function fillLastName() { if ($.trim($("#txtLastName").val()) == "") { showvalidation($("#txtLastName")); $(".loaderSection").hide(); return false; } else { var Reg = new RegExp("^[a-zA-Z][0-9a-zA-Z .,'-]$"); if (!Reg.test($.trim($("#txtLastName").val()))) { hidevalidation($("#txtLastName")); showRegExpvalidation($("#txtLastName")); return false; } else { hideRegExpvalidation($("#txtLastName")); hidevalidation($("#txtLastName")); } } } function fillCandidateComments() { if ($.trim($("#txtCandidateComments").val()) == "") { showvalidation($("#txtCandidateComments")); $(".loaderSection").hide(); return false; } else { hidevalidation($("#txtCandidateComments")); } } function fillPhone() { if ($.trim($("#txtPhone").val()) == "") { showvalidation($("#txtPhone")); $(".loaderSection").hide(); return false; } else { var Reg = /(?\d{3})?-? *\d{3}-? *-?\d{4}/g; var matches = $.trim($("#txtPhone").val()).match(Reg); if (!matches) { hidevalidation($("#txtPhone")); showRegExpvalidation($("#txtPhone")); return false; } else { hideRegExpvalidation($("#txtPhone")); hidevalidation($("#txtPhone")); } } } function fillResumeTitle() { if ($.trim($("#txtDefDocTitle").val()) == "") { showvalidation($("#txtDefDocTitle")); $(".loaderSection").hide(); return false; } else { hidevalidation($("#txtDefDocTitle")); } } function showRegExpvalidation(ctrl) { $(ctrl).parent().addClass("has-error"); $(ctrl).parent().find("span.freg").show(); $(".loaderSection").hide(); } function hideRegExpvalidation(ctrl) { $(ctrl).parent().removeClass("has-error"); $(ctrl).parent().find("span.freg").hide(); $(".loaderSection").hide(); } function showvalidation(ctrl) { $(ctrl).parent().addClass("has-error"); $(ctrl).parent().find("span.freq").show(); $(".loaderSection").hide(); } function hidevalidation(ctrl) { $(ctrl).parent().removeClass("has-error"); $(ctrl).parent().find("span.freq").hide(); $(".loaderSection").hide(); } function ValidateData() { var isProceedToSave = true; $(".loaderSection").show();

if ($.trim($("#txtEmailIdtoSearch").val()) == "") { showvalidation($("#txtEmailIdtoSearch")); isProceedToSave = false; } if ($.trim($("#txtFirstName").val()) == "") { showvalidation($("#txtFirstName")); isProceedToSave = false; } else { var Reg = new RegExp("^[a-zA-Z][0-9a-zA-Z .,'-]$"); if (!Reg.test($.trim($("#txtFirstName").val()))) { hidevalidation($("#txtFirstName")); showRegExpvalidation($("#txtFirstName")); isProceedToSave = false; } } if ($.trim($("#txtLastName").val()) == "") { showvalidation($("#txtLastName")); isProceedToSave = false; } else { var Reg = new RegExp("^[a-zA-Z][0-9a-zA-Z .,'-]$"); if (!Reg.test($.trim($("#txtLastName").val()))) { hidevalidation($("#txtLastName")); showRegExpvalidation($("#txtLastName")); isProceedToSave = false; } } if ($.trim($("#txtPhone").val()) == "") { showvalidation($("#txtPhone")); isProceedToSave = false; } if (isProceedToSave) { var fileUpload = $("#FileUpload2").get(0); var files = fileUpload.files; if (files.length == 0) { ShowErrorNotification("Please attach a resume."); $(".loaderSection").hide(); isProceedToSave = false; } return isProceedToSave; } else { ShowErrorNotification("Whoops! Looks like you've missed entering some data. Please enter data in the highlighted fields."); $(".loaderSection").hide(); window.scrollTo(10, 10); return isProceedToSave; } }

function SubmitResume() { if (ValidateData()) { var FileName = ''; var JobId = '0';

if ('5849940' != '') JobId = '5849940';

var txtemailid = $("#txtEmailIdtoSearch").val(); $.ajax({ url: '/Support/GetCandidateDetailByEmailId', type: "GET", dataType: "JSON", data: { CandidateEmail: txtemailid, JobId: JobId }, success: function (data) { if (data == "exists") { $(".loaderSection").hide(); ShowErrorNotification("You are already submitted to this position."); return false; } else //If email does not exist { if (data.Resume_Id != undefined && data.Resume_Id != null && parseInt(data.Resume_Id) > 0) { SubmitDocument(data.Resume_Id, 0, 1); } else { UploadDocUsingAPI(); } } } }); } else $(".loaderSection").hide(); } function UploadDocUsingAPI() { var fileUpload = $("#FileUpload2").get(0); var files = fileUpload.files; if (files.length == 0) { ShowErrorNotification("Please attach a resume."); $(".loaderSection").hide(); return false; }

if (files.length > 0) { if (window.FormData !== undefined) { var data = new FormData(); for (var i = 0; i 0) { SubmitDocument(data.candidateId, 1, 0); // $(".loaderSection").hide(); } else { ShowErrorNotification(data.EventStatusStatus); $(".loaderSection").hide(); } //callback(data.UploadedFileName); }, error: function (err) { ShowErrorNotification(err.statusText); $(".loaderSection").hide(); window.scrollTo(10, 10); return false; } }); } else { alert("This browser doesn't support HTML5 file uploads!"); } } } async function SubmitDocument(Resume_Id, Datafrom, IsExist) { var FileName = ''; var JobId = '0'; var RecId = '0'; var Source = '4414'; var EntityGroup = '2321'; var SubSource = '13304';

if ('5849940' != '') JobId = '5849940';

if ('0' != '') RecId = '0';

if (Datafrom == 0) { // Wait for the document upload to complete FileName = await UploadCandidateDoc(); if (!FileName) { ShowErrorNotification("Whoops! Looks like some issues in uploading resume. Please try again."); return; // Exit if upload failed } } var ResumeDetails = $.param({ Email_Id: $("#txtEmailIdtoSearch").val(), FirstName: $("#txtFirstName").val(), LastName: $("#txtLastName").val(), Phone: $("#txtPhone").val(), CandidateComments: $("#txtCandidateComments").val(), JobId: JobId, UploadedFileName: FileName, ResumeId: Resume_Id, Datafrom: Datafrom, RecId: RecId, IsExist: IsExist, Source: Source, EntityGroup: EntityGroup, ResumeFromJobPortal: 1, UploadedDocName: $.trim($("#txtDefDocTitle").val()), SubSource: SubSource }); $.ajax({ url: '/Support/UploadResumeForJobPortal', type: "POST", dataType: "JSON", data: ResumeDetails, success: function (data) { if (data.headerCode == "20001") { ShowSaveNotification(data.EventStatusStatus); $(".loaderSection").hide(); window.scrollTo(10, 10); } else if (data.headerCode == "10001") { ShowErrorNotification(data.data.errorDetail); $(".loaderSection").hide(); window.scrollTo(10, 10); } else if (data.headerCode == "20003") { ShowErrorNotification(data.EventStatusStatus); $(".loaderSection").hide(); window.scrollTo(10, 10); } else { ShowErrorNotification(data.PortalJob_Status); $(".loaderSection").hide(); window.scrollTo(10, 10); } } }); }

// Function to convert a file to base64 async function fileToBase64(file) { var base64String; const createPromise = new Promise((resolve, reject) => { const reader = new FileReader(); reader.readAsDataURL(file); reader.onload = () => resolve(reader.result); reader.onerror = (error) => reject(error); });

await createPromise.then((promisedata) => { base64String = promisedata; });

return base64String; }

function getFileExtension(filename) { if (!filename || !filename.includes('.')) { return ''; } return filename.split('.').pop(); }

function getFileName(filename) { if (!filename || !filename.includes('.')) { return filename; } return filename.split('.').slice(0, -1).join('.'); }

//Upload Document - Returns Promise async function UploadCandidateDoc() { var fileUpload = $("#FileUpload2").get(0); var files = fileUpload.files;

if (files.length == 0) { ShowErrorNotification("Please attach a resume."); $(".loaderSection").hide(); return null; }

if (files.length > 0) { if (window.FormData !== undefined) { var strFileNameWithoutExt = getFileName(files[0].name); var strFileExt = getFileExtension(files[0].name); var strNewFileName = strFileNameWithoutExt.replace("//", "").replace("+", "").replace("*", "").replace(" ", "").replace(":", "").replace(".", "") + "_" + "7" + "24" + "2026" + "17" + "18" + "29" + "." + strFileExt;

var fileBase64String; if (files[0]) { fileBase64String = await fileToBase64(files[0]); } var data = JSON.stringify({ docType: 9001, fileName: strNewFileName, encodedData: fileBase64String.split(',')[1], pjEmployeeId: null, placementTrackerId: null, employeeDetailsId: null });

var encodedData = btoa(data);

// Return a Promise instead of using callback return new Promise((resolve, reject) => { $.ajax({ type: "POST", url: 'https://stafflineapi.compunnel.com/' + "document/upload", contentType: "application/json; charset=utf-8", data: JSON.stringify({ data: encodedData }), timeout: 30000, json: true, headers: { "Authorization": 'qwerty~!@', }, success: function (result) { resolve(strNewFileName); }, error: function (err) { ShowErrorNotification(err.statusText); $(".loaderSection").hide(); window.scrollTo(10, 10); reject(null); } }); }); } else { alert("This browser doesn't support HTML5 file uploads!"); return null; } } return null; } $(function () { if ($('.formSection').offset() != undefined) { var stickyHeaderTop = $('.formSection').offset().top; $(window).scroll(function () { if ($(window).scrollTop() > stickyHeaderTop - 100) { $('.fixedBTN').addClass('btnFixed').css({ position: 'fixed', top: '65px', margin: '0px' });

} else { $('.fixedBTN').removeClass('btnFixed').css({ position: 'static', top: '0px', 'margin-top': '20px' });

} }); }; });

function ShowSaveNotification(strText) { $('.rightcontainer').find('p').text(strText); $('.rightcontainer').css({ 'opacity': '0', top: "50px" }).show(); $('.rightcontainer').stop().animate({ 'opacity': '1', top: "-=50px" }, 1000, function () { $(this).delay(3000).fadeOut(900); }); }

function ShowErrorNotification(strText) { $('.cross').find('p').html(strText); $('.cross').css({ 'opacity': '0', top: "50px" }).show(); $('.cross').stop().animate({ 'opacity': '1', top: "-=50px" }, 1000, function () { $(this).delay(3000).fadeOut(900); }); //$('.cross').show(); }

function ShowWarningNotification(strText) { $('.warning').find('p').html(strText); $('.warning').css({ 'opacity': '0', top: "50px" }).show(); $('.warning').stop().animate({ 'opacity': '1', top: "-=50px" }, 000, function () { $(this).delay(4000).fadeOut(900); }); }