Qureos Mentor

TISTA Science and Technology Corporation

<div>Overview:
<div>
TISTA Science and Technology is seeking a <b>Senior Linux System Administrator </b>to join our growing team.</div><div></div><div><br>
At TISTA, you&rsquo;ll do meaningful, mission‑driven work that improves lives alongside teammates you trust and leaders who are transparent and supportive. We invest in your learning and internal mobility so you can build a career that keeps advancing. We&rsquo;re proud to serve and hire Veterans, and we put people first in everything we do.</div><div></div><div><b><br>
TISTA </b>associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account &amp; Flexible Savings Account, Paid Life Insurance, Short-term &amp; Long-term Disability, 401K Match, Professional development reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more!</div>
Responsibilities:
<div>
The Senior Linux System Administrator is responsible for the planning, deployment, security, automation, and maintenance of enterprise Linux systems and infrastructure. This role ensures high availability, system integrity, performance optimization, and secure operations supporting critical business applications.</div><ul><li>
Install, configure, maintain, and troubleshoot enterprise Linux systems including Red Hat Enterprise Linux and Solaris</li><li>
Manage user accounts, permissions, and authentication services.</li><li>
Perform patch management, upgrades, and lifecycle planning.</li><li>
Maintain storage, file systems, backups, and recovery procedures.</li><li>
Administer virtual environments.</li><li>
Support hybrid cloud infrastructure in Amazon Web Services and Microsoft Azure.</li><li>
Maintain core network services (DNS, DHCP, NFS, SSH, VPN).</li><li>
Develop scripts using Bash, Python, or similar languages.</li><li>
Implement automation using Ansible and Puppet.</li><li>
Automate provisioning, patching, compliance checks, and deployments.</li><li>
Implement system hardening, access controls, and security best practices.</li><li>
Manage firewalls, SELinux, and intrusion detection measures.</li><li>
Monitor logs and perform vulnerability remediation.</li><li>
Support compliance requirements such as CIS benchmarks, NIST, or HIPAA (if applicable).</li><li>
Implement system monitoring using Nagios, Zabbix, or Prometheus.</li><li>
Analyze performance metrics and optimize system resources.</li><li>
Perform root cause analysis and implement preventative solutions.</li></ul>
Qualifications:
<ul><li>5+ years of advanced Linux system administration experience.</li><li>
Expertise managing enterprise Linux environments.</li><li>
Experience with virtualization and cloud platforms.</li><li>
Strong scripting and automation skills.</li><li>
Competencies in Enterprise Linux administration</li><li>
Competencies in Automation &amp; Infrastructure as Code</li><li>
Competencies in Security &amp; compliance best practices</li><li>
Competencies in Cloud and virtualization technologies</li><li>
Competencies in Advanced troubleshooting &amp; performance tuning</li><li>
Competencies in Documentation &amp; operational excellence</li></ul><div><b>
Preferred Certifications</b></div><ul><li>
Red Hat Certified Engineer (RHCE)</li><li>
Linux Foundation certifications (LFCS/LFCE)</li><li>
AWS or Azure cloud certifications</li></ul><div><b>
Education:</b></div><ul><li>
Bachelor&rsquo;s degree in computer science, electronics engineering or related technical discipline and 5+ years&rsquo; work experience</li><li>
Eight (8) years of additional relevant experience may be substituted for education (13 years total)</li></ul><div></div><div><b><br>
Clearance:</b></div><ul><li><div>
The ability to pass a Tier 4/HIGH Background Investigation</div></li></ul><div></div><div><b><br>
Location:</b></div><ul><li>
Department of Veteran's Affairs <b>(100% On-site)</b></li><li>
Sunday - Thursday (11:30 PM - 8:00 AM CST Time)</li><li>
Austin Information Technology Center (AITC)</li></ul><div>
1615 Woodward Street,</div><div>
Austin, TX 78741</div></div>

Senior Linux System Administrator

<div>Overview:
<div>
TISTA is seeking an experienced <b>Senior Information Security Policy Analyst</b> to join our team that has a strong background in Policy for IT Security and Privacy.</div><div></div><div><br>
At TISTA, you&rsquo;ll do meaningful, mission‑driven work that improves lives alongside teammates you trust and leaders who are transparent and supportive. We invest in your learning and internal mobility so you can build a career that keeps advancing. We&rsquo;re proud to serve and hire Veterans, and we put people first in everything we do.</div><div></div><div><b><br>
TISTA </b>associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account &amp; Flexible Savings Account, Paid Life Insurance, Short-term &amp; Long-term Disability, 401K Match, Professional development reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more!</div>
Responsibilities:
<ul><li>Experience in technical writing, specific to security-related documents, policies and procedures.</li><li>
Develop, update, and implement DISC security directives, policies, procedures and plans to support DISC Authority to Operate (ATO).</li><li>
Perform gap analysis of existing policies and procedures.</li><li>
Develop, update, and implement DISC security directives, policies, and procedures to support cloud working group and cloud migrations.</li><li>
Assist in the development and implementation of Departmental Regulations with CPOC.</li><li>
Coordinate with system owners to develop Business Impact Analysis (BIAs).</li><li>
Assist in Disaster Recovery (DR), Business Continuity (BC) &amp; Continuity of Operations (COOP) documentation and activities.</li><li>
Demonstrate strong knowledge of migrating and securing IT systems in the cloud.</li><li>
Experience with High Value Assets (HVA) systems and their security controls.</li><li>
Experience with Privacy related policy and compliance.</li><li>
Experience with developing risk impact assessments and risk mitigation strategies.</li><li>
Strong project management skills and familiarity with standard project management methodologies such as Agile and Scrum.</li><li>
Comfortable leading meetings.</li><li>
Strong familiarity with NIST Special Publications and guidance, specifically 800-53 rev. 4/rev. 5 and the NIST Risk Management Framework.</li><li>
Strong problem solving and analysis skills, self-motivated, leader and able to work and communicate in a team environment.</li></ul>
Qualifications:
<ul><li>A minimum of 5-7 years of demonstrated experience in the Information Security (Cybersecurity or Information Assurance) field.</li><li>
Experience with leading and directing the work of others.</li><li>
Demonstrates proficiency with developing, maintaining and managing Authorizations and Assessments (A&amp;A) and Authority to Operate (ATO) packages.</li><li>
Knowledge of standard concepts, practices, and procedures within program management.</li><li>
Demonstrates proficiency in IT systems cloud migrations and securing systems in the cloud.</li><li>
A holistic understanding and knowledge of the Risk Management Framework (RMF) as defined by National Institute of Technology (NIST) Special Publication (SP) 800-53 (current revision), Recommended Security Controls for Federal Information Systems and NIST SP 800-53A Revision 4, Guide for Assessing the Security Controls in Federal Information Systems.</li><li>
Strong problem-solving and analysis skills, self-motivated, and able to work and communicate in a team environment.</li><li>
Excellent documentation skills &ndash; redacted samples may be requested.</li><li>
Excellent oral and written communication skills.</li></ul><div><b>
Desired Certifications</b>:</div><ul><li>
Security+</li><li>
Certified Authorization Professional (CAP)</li><li>
Certified in Governance, Risk and Compliance (CGRC)</li><li>
Certified Information Privacy Professional (CIPP)</li><li>
Cloud Certification (Azure, AWS, CCSP, Cloud+, etc.)</li><li>
Certified Information System Security Professional (CISSP)</li><li>
Certified Cloud Security Professional (CCSP)</li><li>
Project Management Professional (PMP)</li></ul><div><b>
Education:</b></div><ul><li>
Bachelor&rsquo;s degree or higher in computer science, Information Technology, Information Security, or similar fields.</li></ul><div><b>
Clearance:</b></div><ul><li>
The ability to pass a Public Trust Background Investigation.
</li><li>US citizens or permanent residents highly preferred.</li></ul><div><b>
Location:</b></div><ul><li>
Remote, USA.</li></ul><div><b>
Pay Range:</b></div><ul><li>
The pay for this position ranges from $85,730 to $95,500.</li><li>
The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, and location.</li><li>
Also, certain positions are eligible for additional forms of compensation, such as bonuses.</li><li>
TISTA associates are eligible to participate in our comprehensive benefits plan! More information can be found here: https://tistatech.com/working-at-tista/</li></ul></div>

Senior Information Security Policy Analyst

<div>Overview:
<div>
TISTA Science and Technology is seeking a <b>Senior Financial Optimization Analyst</b> to join our growing team.</div><div></div><div><br>
At TISTA, you&rsquo;ll do meaningful, mission‑driven work that improves lives alongside teammates you trust and leaders who are transparent and supportive. We invest in your learning and internal mobility so you can build a career that keeps advancing. We&rsquo;re proud to serve and hire Veterans, and we put people first in everything we do.</div><div></div><div><b><br>
TISTA </b>associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account &amp; Flexible Savings Account, Paid Life Insurance, Short-term &amp; Long-term Disability, 401K Match, Professional development reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more!</div>
Responsibilities:
<ul><li>Participate in the Planning meetings, assessing change impact, performing risk mitigation, and organizing communication plans.</li><li>
Serve as the application&rsquo;s primary technical SME point-of-contact, facilitating and coordinating customer requirements, integration efforts, and other actions, as required.</li><li>
Provide SME recommendations to ITOPS IO during meetings, release management/operational readiness reviews, and other work sessions, such as planning and budgeting.</li><li>
Will participate in planning meetings and working sessions with VA stakeholders from ITAM, CAM, Cost Management, Revenue Management, and COO among other groups as it relates to budgeting and annual business planning.</li><li>
Will provide recommendations for changes related to the annual business planning processes and tools to mitigate existing and future risks, integrate those changes into the business planning process, and assess the impact of those changes over time.</li><li>
Will finalize the documentation of the current state process flow via planning meetings and working sessions which will identify redundant or repetitive tasks and identify risks associated with the business planning process.
</li><li>Recommendations for changes to mitigate risk will be provided to the VA stakeholders and impacts of those changes will be assessed. Any changes will be documented, and a communication plan will be created and implemented to inform all appropriate parties of those changes.</li><li>
Will identify areas of improvement related to the indirect rate structure of IO as it relates to Cost Accounting Standards (CAS) and Generally Accepted Accounting Principles (GAAP).</li><li>
Will facilitate and coordinate change specific to customer requirements to align with and mitigate risk of non-compliance related to CAS upon acceptance of recommendations via working sessions and planning meetings. Impacts of changes will be assessed and documented, and a communication plan will be created related to changes and impacts to the business planning process.</li><li>
Will provide recommendations and facilitate the integration of interdepartmental and interoperable tool(s) related to budgeting, forecasting, rate modeling, and dashboard reporting as it relates to annual business planning. Upon integration and implementation, a communication plan to all affected VA stakeholders will be organized to allow for a seamless transition to the new tool(s) to include a full understanding of how they work, roles and responsibilities, and an O&amp;M plan for continuous up time and improvements. Final tool(s) will mitigate risks identified during planning meetings and working sessions and impacts of the changes will be monitored and assessed by the SME upon implementation.</li><li>
Implement an efficient method to execute the business plan monthly through streamlined Financial Management processes, procedures, and reporting that track change requests and produce cost impact assessments to allow timely and informed financial decisions.</li></ul>
Qualifications:
<ul><li>Must have experience and deep knowledge of business, functional and technical areas/disciplines and be able to conduct research on special areas.
</li><li>Must have experience with proposing new solutions to problems in the areas of their functional expertise.
</li><li>Knowledge of Cost Accounting Standards (CAS), Federal Acquisition Regulations (FAR), and other government agency supplemental regulations.</li><li>
Knowledge and experience with indirect rate creation, budget modeling, forecasting, and dashboard reporting.</li><li>
Working knowledge of contract vehicle types (IDIQ, GWAC, BPA) and contract types (FFP, T&amp;M, CPFF).</li><li>
Proficient with Microsoft Excel, PowerPoint, and PowerBI.</li><li>
Experience with Costpoint, Cognos, and Apptio preferred.</li><li>
Strong interpersonal skills, with the ability to effectively communicate across matrixed organizations.</li><li>
Strong financial and business analytical and problem-solving skills with high attention to detail.</li></ul><div><b>
Education:</b></div><ul><li>
Bachelor's Degree in Engineering, or equivalent <b>PLUS </b>10 Years of experience.</li><li>
Eight (8) years of additional relevant experience may be substituted for education.</li></ul><div></div><div><b><br>
Clearance:</b></div><ul><li>
The ability to pass a Tier 2/Moderate Background Investigation.</li></ul><div></div><div><b><br>
Location:</b></div><ul><li>
Remote, USA.</li><li>
Monday - Friday (8:00 AM - 4:30 PM CST).</li></ul><div></div><div><b><br>
Pay Range:</b></div><ul><li>
The pay for this position ranges from $75,730 to $84,500.</li><li>
The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, and location.</li><li>
Also, certain positions are eligible for additional forms of compensation, such as bonuses.</li><li>
TISTA associates are eligible to participate in our comprehensive benefits plan! More information can be found here: https://tistatech.com/working-at-tista/</li></ul></div>

Senior Financial Optimization Analyst

Join TISTA Science and Technology Corporation and explore 3   exciting career opportunities. They're hiring for various roles with options for remote or on-site work. Apply today and become part of their innovative team.

TISTA Science and Technology Corporation

About Company

Senior Linux System Administrator

Senior Information Security Policy Analyst

Senior Financial Optimization Analyst